C\u00e1c d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd DNS v\u00e0 b\u1ed9 gi\u1ea3i quy\u1ebft DNS \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn c\u00e1ch m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n truy c\u1eadp c\u00e1c trang web tr\u00ean Internet, nh\u01b0ng ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau v\u00e0 th\u01b0\u1eddng g\u00e2y ra m\u1ed9t s\u1ed1 nh\u1ea7m l\u1eabn khi b\u1ea1n b\u1eaft \u0111\u1ea7u ti\u1ebfp x\u00fac v\u1edbi c\u00e1c thu\u1eadt ng\u1eef n\u00e0y. Tr\u01b0\u1edbc ti\u00ean, ch\u00fang ta c\u1ea7n hi\u1ec3u r\u00f5 DNS ch\u00ednh x\u00e1c l\u00e0 g\u00ec.<\/p>\n\n\n\n
H\u1ec7 th\u1ed1ng T\u00ean mi\u1ec1n (DNS) gi\u1ed1ng nh\u01b0 m\u1ed9t cu\u1ed1n danh b\u1ea1 \u0111i\u1ec7n tho\u1ea1i d\u00e0nh cho Internet. H\u1ec7 th\u1ed1ng n\u00e0y gi\u00fap m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n t\u00ecm th\u1ea5y c\u00e1c trang web b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n c\u1ee7a ch\u00fang th\u00e0nh \u0111\u1ecba ch\u1ec9 IP. Khi b\u1ea1n nh\u1eadp \u0111\u1ecba ch\u1ec9 c\u1ee7a m\u1ed9t trang web, m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n s\u1ebd g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 DNS. Sau \u0111\u00f3, m\u00e1y ch\u1ee7 DNS s\u1ebd tra c\u1ee9u \u0111\u1ecba ch\u1ec9 IP li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n \u0111\u00f3 v\u00e0 g\u1eedi l\u1ea1i cho m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 di\u1ec5n ra ng\u1ea7m, gi\u00fap b\u1ea1n truy c\u1eadp c\u00e1c trang web m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n
C\u00e1c d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0110\u00e1m m\u00e2y<\/a>, Amazon Route 53<\/a>, D\u1ecbch v\u1ee5 DNS t\u1ea1i bi\u00ean c\u1ee7a Akamai<\/a>, Google Cloud DNS<\/a> V\u00e0 NS1 c\u1ee7a IBM<\/a>, qu\u1ea3n l\u00fd c\u00e1c b\u1ea3n ghi DNS cho m\u1ed9t t\u00ean mi\u1ec1n. H\u1ecd cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea1o t\u00ean mi\u1ec1n con, thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7 email v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o trang web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n Vi\u1ec7c gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n th\u01b0\u1eddng do ISP (Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet) ho\u1eb7c VPS (M\u1ea1ng ri\u00eang \u1ea3o) c\u1ee7a b\u1ea1n \u0111\u1ea3m nh\u1eadn, b\u1eb1ng c\u00e1ch truy v\u1ea5n c\u00e1c m\u00e1y ch\u1ee7 DNS \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef b\u1edfi c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 nh\u1eefng d\u1ecbch v\u1ee5 \u0111\u00e3 li\u1ec7t k\u00ea \u1edf tr\u00ean. N\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 s\u1ef1 ri\u00eang t\u01b0 cao h\u01a1n ho\u1eb7c c\u00e1c c\u1ea5u h\u00ecnh t\u00f9y ch\u1ec9nh, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn b\u1ea5t k\u1ef3 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 1.1.1.1 c\u1ee7a Cloudflare<\/a>, NextDNS<\/a>, Quad9<\/a> V\u00e0 AdGuard DNS<\/a>. Ch\u00fang ch\u1eb7n c\u00e1c trang web \u0111\u1ed9c h\u1ea1i, cung c\u1ea5p d\u1ecbch v\u1ee5 gi\u1ea3i quy\u1ebft DNS \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 ng\u0103n nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) ho\u1eb7c m\u00e1y ch\u1ee7 \u1ea3o ri\u00eang (VPS) theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng duy\u1ec7t web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n T\u00f3m l\u1ea1i, c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd DNS ch\u1ecbu tr\u00e1ch nhi\u1ec7m ghi d\u1eef li\u1ec7u v\u00e0o \u201cs\u1ed5 \u0111\u1ecba ch\u1ec9\u201d c\u1ee7a Internet, trong khi c\u00e1c tr\u00ecnh gi\u1ea3i quy\u1ebft DNS c\u00f3 nhi\u1ec7m v\u1ee5 \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb \u0111\u00f3. H\u00e3y l\u1ef1a ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p uy t\u00edn v\u00e0 an to\u00e0n cho c\u1ea3 hai d\u1ecbch v\u1ee5 n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 an ninh c\u1ee7a b\u1ea1n tr\u00ean Internet.<\/p>\n\n\n\n Ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd DNS tr\u1ecdn g\u00f3i th\u00f4ng qua \u1ee6ng h\u1ed9<\/a> d\u1ecbch v\u1ee5, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0110\u00e1m m\u00e2y<\/a>, m\u00e0 ch\u00fang t\u00f4i \u0111\u00e1nh gi\u00e1 l\u00e0 ph\u01b0\u01a1ng \u00e1n nhanh nh\u1ea5t v\u00e0 an to\u00e0n nh\u1ea5t hi\u1ec7n c\u00f3. H\u00e3y xem gi\u00e1 c\u1ea3<\/a>.<\/p>","protected":false},"excerpt":{"rendered":" DNS manager services and DNS resolvers are related to how your computer accesses websites on the internet, but they serve different purposes and some confusion often arises when you start dealing with these terms. First, we need to understand what exactly DNS is. The Domain Name System (DNS) is like a phonebook – or telephone […]<\/p>\n","protected":false},"author":1,"featured_media":3620,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"DNS managers and resolvers help you navigate the internet","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"DNS manager","pmpro_default_level":"","footnotes":""},"categories":[48,16],"tags":[51],"class_list":["post-3606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-base","category-support","tag-dns","pmpro-has-access"],"_links":{"self":[{"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/posts\/3606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/comments?post=3606"}],"version-history":[{"count":10,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/posts\/3606\/revisions"}],"predecessor-version":[{"id":3624,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/posts\/3606\/revisions\/3624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/media\/3620"}],"wp:attachment":[{"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/media?parent=3606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/categories?post=3606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raybeam.jp\/vi\/wp-json\/wp\/v2\/tags?post=3606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}