{"id":14057,"date":"2025-08-05T16:35:12","date_gmt":"2025-08-05T08:35:12","guid":{"rendered":"https:\/\/www.quape.com\/?p=14057"},"modified":"2025-09-25T19:52:17","modified_gmt":"2025-09-25T11:52:17","slug":"how-to-use-whois-domain-lookup","status":"publish","type":"post","link":"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/","title":{"rendered":"C\u00e1ch s\u1eed d\u1ee5ng WHOIS \u0111\u1ec3 ki\u1ec3m tra quy\u1ec1n s\u1edf h\u1eefu v\u00e0 th\u00f4ng tin chi ti\u1ebft v\u1ec1 t\u00ean mi\u1ec1n"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><span style=\"font-weight: 400;\">WHOIS l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd v\u00e0 \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1ea5t trong th\u1ebf gi\u1edbi qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n. Cho d\u00f9 b\u1ea1n \u0111ang mua t\u00ean mi\u1ec1n, t\u00ecm hi\u1ec3u quy\u1ec1n s\u1edf h\u1eefu hay kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u00ean mi\u1ec1n, h\u00e3y t\u00ecm hi\u1ec3u <\/span>c\u00e1ch s\u1eed d\u1ee5ng tra c\u1ee9u t\u00ean mi\u1ec1n WHOIS<span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 cung c\u1ea5p cho b\u1ea1n nh\u1eefng hi\u1ec3u bi\u1ebft quan tr\u1ecdng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n WHOIS l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng WHOIS \u0111\u1ec3 ki\u1ec3m tra quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n v\u00e0 c\u00e1c th\u00f4ng tin quan tr\u1ecdng kh\u00e1c v\u1ec1 t\u00ean mi\u1ec1n.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#What_Is_WHOIS\" >WHOIS l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Why_Use_WHOIS_Lookup\" >T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng tra c\u1ee9u WHOIS?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Check_Domain_Availability\" >Ki\u1ec3m tra t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Verify_Domain_Ownership\" >X\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#_Investigate_Suspicious_Websites\" >\u00a0\u0110i\u1ec1u tra c\u00e1c trang web \u0111\u00e1ng ng\u1edd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Track_Expiration_Dates\" >Theo d\u00f5i ng\u00e0y h\u1ebft h\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#See_Hosting_and_DNS_Information\" >Xem th\u00f4ng tin l\u01b0u tr\u1eef v\u00e0 DNS<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#How_to_Use_WHOIS_Domain_Lookup_Step-by-Step\" >C\u00e1ch s\u1eed d\u1ee5ng tra c\u1ee9u t\u00ean mi\u1ec1n WHOIS (T\u1eebng b\u01b0\u1edbc)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Step_1_Choose_a_WHOIS_Lookup_Tool\" >B\u01b0\u1edbc 1: Ch\u1ecdn C\u00f4ng c\u1ee5 tra c\u1ee9u WHOIS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Step_2_Enter_the_Domain_Name\" >B\u01b0\u1edbc 2: Nh\u1eadp t\u00ean mi\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Step_3_Review_the_WHOIS_Results\" >B\u01b0\u1edbc 3: Xem l\u1ea1i k\u1ebft qu\u1ea3 WHOIS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Step_4_Take_Action_Based_on_the_Data\" >B\u01b0\u1edbc 4: H\u00e0nh \u0111\u1ed9ng d\u1ef1a tr\u00ean d\u1eef li\u1ec7u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#What_If_WHOIS_Data_Is_Hidden\" >N\u1ebfu d\u1eef li\u1ec7u WHOIS b\u1ecb \u1ea9n th\u00ec sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#WHOIS_Lookup_for_Businesses_and_Security\" >Tra c\u1ee9u WHOIS cho Doanh nghi\u1ec7p v\u00e0 B\u1ea3o m\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.quape.com\/vi\/how-to-use-whois-domain-lookup\/#Final_Thoughts\" >Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_WHOIS\"><\/span><b>WHOIS l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.quape.com\/vi\/what-is-whois\/\">WHOIS<\/a> l\u00e0 m\u1ed9t giao th\u1ee9c truy v\u1ea5n v\u00e0 ph\u1ea3n h\u1ed3i cung c\u1ea5p th\u00f4ng tin v\u1ec1 vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Khi ai \u0111\u00f3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, th\u00f4ng tin c\u1ee7a h\u1ecd s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f4ng c\u1ed9ng do c\u00e1c \u0111\u01a1n v\u1ecb \u0111\u0103ng k\u00fd qu\u1ea3n l\u00fd. <a href=\"https:\/\/www.icann.org\/\" target=\"_blank\" rel=\"noopener\">ICANN<\/a> (T\u1eadp \u0111o\u00e0n c\u1ea5p ph\u00e1t t\u00ean v\u00e0 s\u1ed1 hi\u1ec7u Internet).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u01a1 s\u1edf d\u1eef li\u1ec7u WHOIS ch\u1ee9a c\u00e1c th\u00f4ng tin chi ti\u1ebft nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u01b0\u1eddi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (ch\u1ee7 s\u1edf h\u1eefu)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00f4ng tin \u0111\u0103ng k\u00fd<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u00e0y t\u1ea1o v\u00e0 ng\u00e0y h\u1ebft h\u1ea1n t\u00ean mi\u1ec1n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7 t\u00ean<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00f4ng tin li\u00ean l\u1ea1c (tr\u1eeb khi b\u1eadt t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0)<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, WHOIS gi\u00fap b\u1ea1n <\/span>tra c\u1ee9u xem ai s\u1edf h\u1eefu t\u00ean mi\u1ec1n v\u00e0 t\u00ean mi\u1ec1n \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd khi n\u00e0o.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Use_WHOIS_Lookup\"><\/span><b>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng tra c\u1ee9u WHOIS?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f3 r\u1ea5t nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p m\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng tra c\u1ee9u t\u00ean mi\u1ec1n WHOIS c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch, d\u00f9 b\u1ea1n l\u00e0 ch\u1ee7 doanh nghi\u1ec7p, nh\u00e0 ti\u1ebfp th\u1ecb k\u1ef9 thu\u1eadt s\u1ed1, chuy\u00ean gia ph\u00e2n t\u00edch an ninh m\u1ea1ng hay ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 ng\u01b0\u1eddi t\u00f2 m\u00f2 v\u1ec1 m\u1ed9t t\u00ean mi\u1ec1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u00fd do chi ti\u1ebft t\u1ea1i sao c\u00f4ng c\u1ee5 n\u00e0y l\u1ea1i h\u1eefu \u00edch \u0111\u1ebfn v\u1eady:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Check_Domain_Availability\"><\/span><b>Ki\u1ec3m tra t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n \u0111ang c\u00f3 k\u1ebf ho\u1ea1ch x\u00e2y d\u1ef1ng m\u1ed9t trang web ho\u1eb7c th\u01b0\u01a1ng hi\u1ec7u, b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean th\u01b0\u1eddng l\u00e0 ki\u1ec3m tra xem t\u00ean mi\u1ec1n mong mu\u1ed1n c\u1ee7a b\u1ea1n c\u00f3 kh\u1ea3 d\u1ee5ng hay kh\u00f4ng. Tra c\u1ee9u WHOIS c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c cho b\u1ea1n bi\u1ebft li\u1ec7u t\u00ean mi\u1ec1n \u0111\u00f3 c\u00f3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e3 \u0111\u0103ng k\u00fd v\u00e0 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd b\u1edfi ai?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd ngay.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 mua th\u00f4ng qua m\u1ed9t nh\u00e0 m\u00f4i gi\u1edbi t\u00ean mi\u1ec1n ho\u1eb7c th\u1ecb tr\u01b0\u1eddng th\u1ee9 c\u1ea5p.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1ch n\u00e0y ch\u00ednh x\u00e1c h\u01a1n so v\u1edbi vi\u1ec7c d\u1ef1a v\u00e0o thanh t\u00ecm ki\u1ebfm c\u1ee7a c\u01a1 quan \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u00f4ng th\u01b0\u1eddng.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Verify_Domain_Ownership\"><\/span><b>X\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh mua ho\u1eb7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n, vi\u1ec7c x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n l\u00e0 r\u1ea5t quan tr\u1ecdng. WHOIS cho ph\u00e9p b\u1ea1n x\u00e1c nh\u1eadn:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Li\u1ec7u c\u00e1 nh\u00e2n ho\u1eb7c t\u1ed5 ch\u1ee9c tuy\u00ean b\u1ed1 s\u1edf h\u1eefu t\u00ean mi\u1ec1n c\u00f3 th\u1ef1c s\u1ef1 s\u1edf h\u1eefu hay kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u01a1 quan \u0111\u0103ng k\u00fd ch\u00ednh th\u1ee9c qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ean mi\u1ec1n c\u00f3 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 chuy\u1ec3n nh\u01b0\u1ee3ng hay kh\u00f4ng (m\u1ed9t s\u1ed1 t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 b\u1ecb kh\u00f3a ho\u1eb7c h\u1ea1n ch\u1ebf chuy\u1ec3n nh\u01b0\u1ee3ng).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c v\u1ee5 l\u1eeba \u0111\u1ea3o ho\u1eb7c chuy\u1ec3n ti\u1ec1n gian l\u1eadn.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"_Investigate_Suspicious_Websites\"><\/span><b>\u00a0\u0110i\u1ec1u tra c\u00e1c trang web \u0111\u00e1ng ng\u1edd<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">WHOIS l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng c\u00e1 nh\u00e2n ho\u1eb7c t\u1ed5 ch\u1ee9c \u0111\u1ee9ng sau c\u00e1c trang web c\u00f3 th\u1ec3 l\u00e0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef n\u1ed9i dung \u0111\u1ed9c h\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ed1 g\u1eafng l\u1eeba \u0111\u1ea3o ho\u1eb7c m\u1ea1o danh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vi ph\u1ea1m quy\u1ec1n s\u1edf h\u1eefu tr\u00ed tu\u1ec7.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1eb1ng c\u00e1ch ki\u1ec3m tra th\u00f4ng tin WHOIS, c\u00e1c chuy\u00ean gia an ninh m\u1ea1ng ho\u1eb7c nh\u00f3m ph\u00e1p l\u00fd c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u truy t\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a c\u00e1c t\u00ean mi\u1ec1n \u0111\u00e1ng ng\u1edd v\u00e0 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng c\u1ea7n thi\u1ebft.<\/span><\/p>\n<p><a href=\"https:\/\/www.quape.com\/vi\/domain-registration\/\"><img fetchpriority=\"high\" decoding=\"async\" id=\"blogbannerdomain\" class=\"aligncenter wp-image-15949 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01.png\" alt=\"\u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n\" width=\"2220\" height=\"676\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01.png 2220w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-300x91.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-1024x312.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-768x234.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-1536x468.png 1536w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-2048x624.png 2048w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-18x5.png 18w\" sizes=\"(max-width: 2220px) 100vw, 2220px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Track_Expiration_Dates\"><\/span><b>Theo d\u00f5i ng\u00e0y h\u1ebft h\u1ea1n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">T\u00ean mi\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c s\u1edf h\u1eefu m\u00e3i m\u00e3i m\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c gia h\u1ea1n. WHOIS hi\u1ec3n th\u1ecb ch\u00ednh x\u00e1c ng\u00e0y t\u1ea1o v\u00e0 ng\u00e0y h\u1ebft h\u1ea1n, gi\u00fap b\u1ea1n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Theo d\u00f5i th\u1eddi \u0111i\u1ec3m m\u1ed9t t\u00ean mi\u1ec1n h\u1ea5p d\u1eabn c\u00f3 th\u1ec3 h\u1ebft h\u1ea1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng tr\u1edf n\u00ean kh\u1ea3 d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c gia h\u1ea1n \u0111\u00fang h\u1ea1n \u0111\u1ec3 tr\u00e1nh h\u1ebft h\u1ea1n ngo\u00e0i \u00fd mu\u1ed1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 nh\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0 <a href=\"https:\/\/www.quape.com\/vi\/how-to-flip-domain-names-and-make-profit-online\/\">ng\u01b0\u1eddi l\u1eadt t\u00ean mi\u1ec1n<\/a> s\u1eed d\u1ee5ng WHOIS \u0111\u1ec3 theo d\u00f5i c\u00e1c t\u00ean mi\u1ec1n cao c\u1ea5p s\u1eafp h\u1ebft h\u1ea1n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"See_Hosting_and_DNS_Information\"><\/span><b>Xem th\u00f4ng tin l\u01b0u tr\u1eef v\u00e0 DNS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">WHOIS th\u01b0\u1eddng bao g\u1ed3m d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt nh\u01b0 m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n, cho b\u1ea1n bi\u1ebft t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf \u0111\u00e2u ho\u1eb7c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi trang web nh\u01b0 th\u1ebf n\u00e0o. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch cho:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ea9n \u0111o\u00e1n l\u1ed7i c\u1ea5u h\u00ecnh DNS ho\u1eb7c s\u1ef1 c\u1ed1 truy\u1ec1n b\u00e1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh n\u01a1i l\u01b0u tr\u1eef n\u1ed9i dung c\u1ee7a trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Di chuy\u1ec3n t\u00ean mi\u1ec1n sang m\u00e1y ch\u1ee7 ho\u1eb7c nh\u00e0 cung c\u1ea5p m\u1edbi.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Use_WHOIS_Domain_Lookup_Step-by-Step\"><\/span><b>C\u00e1ch s\u1eed d\u1ee5ng tra c\u1ee9u t\u00ean mi\u1ec1n WHOIS (T\u1eebng b\u01b0\u1edbc)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 tra c\u1ee9u WHOIS r\u1ea5t \u0111\u01a1n gi\u1ea3n. Ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0 ng\u01b0\u1eddi d\u00f9ng am hi\u1ec3u c\u00f4ng ngh\u1ec7, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 r\u1ea5t nhi\u1ec1u d\u1eef li\u1ec7u t\u00ean mi\u1ec1n h\u1eefu \u00edch ch\u1ec9 v\u1edbi v\u00e0i c\u00fa nh\u1ea5p chu\u1ed9t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft h\u01a1n:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Choose_a_WHOIS_Lookup_Tool\"><\/span><b>B\u01b0\u1edbc 1: Ch\u1ecdn C\u00f4ng c\u1ee5 tra c\u1ee9u WHOIS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-14076 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151001.png\" alt=\"\" width=\"1285\" height=\"507\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151001.png 1285w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151001-300x118.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151001-1024x404.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151001-768x303.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151001-18x7.png 18w\" sizes=\"(max-width: 1285px) 100vw, 1285px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y r\u1ea5t nhi\u1ec1u d\u1ecbch v\u1ee5 tra c\u1ee9u WHOIS mi\u1ec5n ph\u00ed tr\u1ef1c tuy\u1ebfn. C\u00e1c n\u1ec1n t\u1ea3ng n\u00e0y k\u1ebft n\u1ed1i v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u WHOIS c\u00f4ng c\u1ed9ng v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c. M\u1ed9t s\u1ed1 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>ICANN WHOIS:<\/b><span style=\"font-weight: 400;\"> Ngu\u1ed3n ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi c\u01a1 quan qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n to\u00e0n c\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Whois.com:<\/b><span style=\"font-weight: 400;\"> Giao di\u1ec7n \u0111\u01a1n gi\u1ea3n, ph\u00f9 h\u1ee3p cho vi\u1ec7c tra c\u1ee9u chung.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u00f4ng c\u1ee5 tra c\u1ee9u WHOIS c\u1ee7a Quape:<\/b><span style=\"font-weight: 400;\"> L\u00fd t\u01b0\u1edfng n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng Quape \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n ho\u1eb7c \u0111ang c\u00e2n nh\u1eafc m\u1ed9t nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n m\u1edbi.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n ho\u1eb7c th\u1eed m\u1ed9t v\u00e0i lo\u1ea1i \u0111\u1ec3 so s\u00e1nh k\u1ebft qu\u1ea3.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/www.quape.com\/vi\/how-to-check-and-avoid-domain-expiration\/\">C\u00e1ch ki\u1ec3m tra v\u00e0 tr\u00e1nh h\u1ebft h\u1ea1n t\u00ean mi\u1ec1n<\/a><\/strong><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Enter_the_Domain_Name\"><\/span><b>B\u01b0\u1edbc 2: Nh\u1eadp t\u00ean mi\u1ec1n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-13783 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-191337.png\" alt=\"c\u00e1ch s\u1eed d\u1ee5ng tra c\u1ee9u t\u00ean mi\u1ec1n whois\" width=\"1265\" height=\"614\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-191337.png 1265w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-191337-300x146.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-191337-1024x497.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-191337-768x373.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-191337-18x9.png 18w\" sizes=\"(max-width: 1265px) 100vw, 1265px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Nh\u1eadp t\u00ean mi\u1ec1n \u0111\u1ea7y \u0111\u1ee7 m\u00e0 b\u1ea1n \u0111ang nghi\u00ean c\u1ee9u (nh\u01b0 <\/span><span style=\"font-weight: 400;\">yourbrandname.com<\/span><span style=\"font-weight: 400;\">) v\u00e0o thanh t\u00ecm ki\u1ebfm. Ki\u1ec3m tra l\u1ea1i ch\u00ednh t\u1ea3 \u0111\u1ec3 tr\u00e1nh tra c\u1ee9u sai t\u00ean mi\u1ec1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu t\u00ean mi\u1ec1n kh\u00f4ng t\u1ed3n t\u1ea1i ho\u1eb7c ch\u01b0a bao gi\u1edd \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd, h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 s\u1ebd n\u00eau r\u00f5 r\u1eb1ng t\u00ean mi\u1ec1n \u0111\u00f3 kh\u1ea3 d\u1ee5ng.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Review_the_WHOIS_Results\"><\/span><b>B\u01b0\u1edbc 3: Xem l\u1ea1i k\u1ebft qu\u1ea3 WHOIS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14077 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151237.png\" alt=\"k\u1ebft qu\u1ea3 whois\" width=\"1199\" height=\"519\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151237.png 1199w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151237-300x130.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151237-1024x443.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151237-768x332.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/08\/Screenshot-2025-08-05-151237-18x8.png 18w\" sizes=\"(max-width: 1199px) 100vw, 1199px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Sau v\u00e0i gi\u00e2y, c\u00f4ng c\u1ee5 s\u1ebd hi\u1ec3n th\u1ecb th\u00f4ng tin chi ti\u1ebft v\u1ec1 t\u00ean mi\u1ec1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin b\u1ea1n th\u01b0\u1eddng th\u1ea5y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00ean ng\u01b0\u1eddi \u0111\u0103ng k\u00fd<\/b><span style=\"font-weight: 400;\"> (n\u1ebfu c\u00f4ng khai): Hi\u1ec3n th\u1ecb ng\u01b0\u1eddi \u0111\u00e3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n l\u00e0 c\u00e1 nh\u00e2n ho\u1eb7c t\u1ed5 ch\u1ee9c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ng\u01b0\u1eddi \u0111\u0103ng k\u00fd:<\/b><span style=\"font-weight: 400;\"> C\u00f4ng ty m\u00e0 t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd (v\u00ed d\u1ee5: Quape).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tr\u1ea1ng th\u00e1i t\u00ean mi\u1ec1n:<\/b><span style=\"font-weight: 400;\"> Cho bi\u1ebft t\u00ean mi\u1ec1n \u0111ang ho\u1ea1t \u0111\u1ed9ng, h\u1ebft h\u1ea1n, \u0111ang t\u1ea1m gi\u1eef, \u0111ang \u0111\u01b0\u1ee3c mua l\u1ea1i hay b\u1ecb kh\u00f3a.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ng\u00e0y t\u1ea1o v\u00e0 ng\u00e0y h\u1ebft h\u1ea1n:<\/b><span style=\"font-weight: 400;\"> Th\u1eddi \u0111i\u1ec3m t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd l\u1ea7n \u0111\u1ea7u v\u00e0 th\u1eddi \u0111i\u1ec3m t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1eadp nh\u1eadt l\u1ea7n cu\u1ed1i:<\/b><span style=\"font-weight: 400;\"> H\u1eefu \u00edch \u0111\u1ec3 theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i ho\u1eb7c chuy\u1ec3n nh\u01b0\u1ee3ng g\u1ea7n \u0111\u00e2y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u00e1y ch\u1ee7 t\u00ean:<\/b><span style=\"font-weight: 400;\"> Tr\u1ecf \u0111\u1ebfn n\u01a1i l\u01b0u tr\u1eef trang web v\u00e0 c\u00e1ch x\u1eed l\u00fd DNS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Th\u00f4ng tin li\u00ean h\u1ec7:<\/b><span style=\"font-weight: 400;\"> C\u00f3 th\u1ec3 bao g\u1ed3m email ho\u1eb7c s\u1ed1 \u0111i\u1ec7n tho\u1ea1i tr\u1eeb khi t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS \u0111\u01b0\u1ee3c b\u1eadt.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 mi\u1ec1n s\u1ebd hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0, ch\u1eb3ng h\u1ea1n nh\u01b0 &quot;\u0110\u00c3 X\u00d3A V\u00cc QUY\u1ec0N RI\u00caNG T\u01af&quot; ho\u1eb7c li\u00ean h\u1ec7 proxy.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Take_Action_Based_on_the_Data\"><\/span><b>B\u01b0\u1edbc 4: H\u00e0nh \u0111\u1ed9ng d\u1ef1a tr\u00ean d\u1eef li\u1ec7u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">T\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n, c\u00f3 nhi\u1ec1u c\u00e1ch kh\u00e1c nhau \u0111\u1ec3 s\u1eed d\u1ee5ng k\u1ebft qu\u1ea3 WHOIS:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea1n \u0111ang mua t\u00ean mi\u1ec1n?<\/b><span style=\"font-weight: 400;\"> Li\u00ean h\u1ec7 v\u1edbi ch\u1ee7 s\u1edf h\u1eefu \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea ho\u1eb7c l\u00e0m theo quy tr\u00ecnh m\u00f4i gi\u1edbi t\u00ean mi\u1ec1n c\u1ee7a c\u01a1 quan \u0111\u0103ng k\u00fd n\u1ebfu t\u00ean mi\u1ec1n \u0111\u00f3 c\u00f3 v\u1ebb \u0111ang \u0111\u01b0\u1ee3c rao b\u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Chuy\u1ec3n t\u00ean mi\u1ec1n?<\/b><span style=\"font-weight: 400;\"> X\u00e1c minh r\u1eb1ng t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf kh\u00f3a v\u00e0 th\u00f4ng tin li\u00ean h\u1ec7 l\u00e0 ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh chuy\u1ec3n nh\u01b0\u1ee3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea1n \u0111ang kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 DNS?<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng th\u00f4ng tin m\u00e1y ch\u1ee7 t\u00ean \u0111\u1ec3 x\u00e1c nh\u1eadn t\u00ean mi\u1ec1n \u0111ang tr\u1ecf \u0111\u1ebfn \u0111\u00fang m\u00e1y ch\u1ee7 ho\u1eb7c n\u1ec1n t\u1ea3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea1n \u0111ang theo d\u00f5i m\u1ed9t t\u00ean mi\u1ec1n?<\/b><span style=\"font-weight: 400;\"> L\u01b0u \u00fd ng\u00e0y h\u1ebft h\u1ea1n v\u00e0 \u0111\u1eb7t l\u1eddi nh\u1eafc n\u1ebfu b\u1ea1n mu\u1ed1n \u0111\u1eb7t h\u00e0ng l\u1ea1i ho\u1eb7c mua h\u00e0ng sau khi s\u1ea3n ph\u1ea9m h\u1ebft h\u1ea1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">WHOIS trao quy\u1ec1n cho b\u1ea1n, gi\u00fap b\u1ea1n hi\u1ec3u to\u00e0n b\u1ed9 l\u1ecbch s\u1eed v\u00e0 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea5t k\u1ef3 t\u00ean mi\u1ec1n n\u00e0o tr\u00ean internet.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_If_WHOIS_Data_Is_Hidden\"><\/span><b>N\u1ebfu d\u1eef li\u1ec7u WHOIS b\u1ecb \u1ea9n th\u00ec sao?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Nhi\u1ec1u ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n cho ph\u00e9p <\/span>B\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS, gi\u00fap \u1ea9n th\u00f4ng tin c\u00e1 nh\u00e2n nh\u01b0 t\u00ean, email v\u00e0 \u0111\u1ecba ch\u1ec9. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, b\u1ea1n s\u1ebd th\u1ea5y th\u00f4ng tin li\u00ean h\u1ec7 proxy thay v\u00ec th\u00f4ng tin ch\u1ee7 s\u1edf h\u1eefu th\u1ef1c s\u1ef1.<\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n c\u1ea7n li\u00ean h\u1ec7 v\u1edbi ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n, m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 b\u1ea3o m\u1eadt cung c\u1ea5p c\u00e1ch g\u1eedi tin nh\u1eafn th\u00f4ng qua email \u1ea9n danh ho\u1eb7c bi\u1ec3u m\u1eabu li\u00ean h\u1ec7.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"WHOIS_Lookup_for_Businesses_and_Security\"><\/span><b>Tra c\u1ee9u WHOIS cho Doanh nghi\u1ec7p v\u00e0 B\u1ea3o m\u1eadt<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">WHOIS kh\u00f4ng ch\u1ec9 d\u00e0nh cho ng\u01b0\u1eddi mua t\u00ean mi\u1ec1n m\u00e0 c\u00f2n h\u1eefu \u00edch cho:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\u0110\u1ed9i ng\u0169 b\u1ea3o v\u1ec7 th\u01b0\u01a1ng hi\u1ec7u<span style=\"font-weight: 400;\">: X\u00e1c \u0111\u1ecbnh nh\u1eefng ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Chuy\u00ean gia an ninh m\u1ea1ng<span style=\"font-weight: 400;\">: \u0110i\u1ec1u tra c\u00e1c trang web l\u1eeba \u0111\u1ea3o ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Tranh ch\u1ea5p ph\u00e1p l\u00fd<span style=\"font-weight: 400;\">: Theo d\u00f5i ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n \u0111\u1ec3 t\u00ecm ra v\u1ea5n \u0111\u1ec1 v\u1ec1 nh\u00e3n hi\u1ec7u.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Theo d\u00f5i d\u1eef li\u1ec7u WHOIS l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a vi\u1ec7c qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u00f3 tr\u00e1ch nhi\u1ec7m.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span><b>Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng tra c\u1ee9u t\u00ean mi\u1ec1n WHOIS s\u1ebd mang l\u1ea1i cho b\u1ea1n s\u1ef1 minh b\u1ea1ch trong th\u1ebf gi\u1edbi s\u1ed1. Cho d\u00f9 b\u1ea1n l\u00e0 ch\u1ee7 doanh nghi\u1ec7p, ng\u01b0\u1eddi qu\u1ea3n l\u00fd trang web hay nh\u00e0 \u0111\u1ea7u t\u01b0 t\u00ean mi\u1ec1n, WHOIS c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t h\u01a1n.<\/p>\n<p>B\u1ea1n c\u1ea7n tr\u1ee3 gi\u00fap qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n, b\u1ea3o m\u1eadt quy\u1ec1n s\u1edf h\u1eefu ho\u1eb7c kh\u00e1m ph\u00e1 c\u00e1c t\u00f9y ch\u1ecdn t\u00ean mi\u1ec1n? H\u00e3y th\u1eed <a href=\"https:\/\/www.quape.com\/vi\/domain-registration\/\">C\u00f4ng c\u1ee5 tra c\u1ee9u WHOIS c\u1ee7a Quape<\/a> v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n \u0111\u1ec3 gi\u00fap h\u00e0nh tr\u00ecnh s\u1edf h\u1eefu t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n li\u1ec1n m\u1ea1ch v\u00e0 an to\u00e0n.<\/p>\n<p><a href=\"https:\/\/www.quape.com\/vi\/domain-registration\/\"><img fetchpriority=\"high\" decoding=\"async\" id=\"blogbannerdomain\" class=\"aligncenter wp-image-15949 size-full\" src=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01.png\" alt=\"\u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n\" width=\"2220\" height=\"676\" srcset=\"https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01.png 2220w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-300x91.png 300w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-1024x312.png 1024w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-768x234.png 768w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-1536x468.png 1536w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-2048x624.png 2048w, https:\/\/www.quape.com\/wp-content\/uploads\/2025\/09\/banner-01-18x5.png 18w\" sizes=\"(max-width: 2220px) 100vw, 2220px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>WHOIS is one of the most powerful and underused tools in the world of domain management. Whether you&#8217;re buying a domain, investigating ownership, or troubleshooting domain issues, learning how to use WHOIS domain lookup can save you time and give you crucial insights. In this guide, we\u2019ll walk you through what WHOIS is, how it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15464,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129],"tags":[247,246,248],"class_list":["post-14057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domain","tag-domain-status","tag-nameservers","tag-whois-lookup-tools"],"_links":{"self":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts\/14057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/comments?post=14057"}],"version-history":[{"count":2,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts\/14057\/revisions"}],"predecessor-version":[{"id":16245,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/posts\/14057\/revisions\/16245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/media\/15464"}],"wp:attachment":[{"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/media?parent=14057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/categories?post=14057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.quape.com\/vi\/wp-json\/wp\/v2\/tags?post=14057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}