{"id":67,"date":"2026-04-21T03:32:41","date_gmt":"2026-04-21T00:32:41","guid":{"rendered":"https:\/\/rdvhost.ro\/blog\/?p=67"},"modified":"2026-04-21T03:32:59","modified_gmt":"2026-04-21T00:32:59","slug":"dns-ce-este-si-cum-functioneaza-sistemul-de-domenii","status":"publish","type":"post","link":"https:\/\/rdvhost.ro\/blog\/dns-ce-este-si-cum-functioneaza-sistemul-de-domenii\/","title":{"rendered":"DNS: ce este \u0219i cum func\u021bioneaz\u0103 sistemul de domenii"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Ce este DNS?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS este un sistem esen\u021bial al internetului care face leg\u0103tura \u00eentre numele de domenii \u0219i adresele IP. Practic, traduce un domeniu u\u0219or de re\u021binut \u00eentr-o adres\u0103 numeric\u0103 pe care serverele o pot \u00een\u021belege.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F\u0103r\u0103 acest sistem, ar trebui s\u0103 introduci manual adrese IP pentru a accesa site-uri.<\/p>\n\n\n\n<!--more-->\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Cum func\u021bioneaz\u0103 DNS?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Atunci c\u00e2nd introduci un domeniu \u00een browser, are loc un proces rapid:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Browserul caut\u0103 IP-ul asociat domeniului<\/li>\n\n\n\n<li>Interogheaz\u0103 serverele<\/li>\n\n\n\n<li>Prime\u0219te adresa IP corect\u0103<\/li>\n\n\n\n<li>Se conecteaz\u0103 la serverul web<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Pe scurt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Domeniu \u2192 IP<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tipuri de \u00eenregistr\u0103ri DNS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Func\u021bioneaz\u0103 pe baza mai multor tipuri de \u00eenregistr\u0103ri:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A Record<\/strong> \u2013 leag\u0103 domeniul de o adres\u0103 IP<\/li>\n\n\n\n<li><strong>CNAME<\/strong> \u2013 redirec\u021bioneaz\u0103 un domeniu c\u0103tre altul<\/li>\n\n\n\n<li><strong>MX<\/strong> \u2013 gestioneaz\u0103 emailurile<\/li>\n\n\n\n<li><strong>TXT<\/strong> \u2013 folosit pentru verific\u0103ri \u0219i securitate<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">De ce este important?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Acces rapid la site-uri<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS face posibil\u0103 navigarea u\u0219oar\u0103 pe internet f\u0103r\u0103 a memora IP-uri.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Func\u021bionarea emailurilor<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cenregistr\u0103rile sunt esen\u021biale pentru livrarea corect\u0103 a emailurilor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Securitate<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Configurarea corect\u0103 ajut\u0103 la protejarea domeniului \u00eempotriva atacurilor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Cum verifici?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u021bi folosi comenzi simple:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup exemplu.ro\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Sau un tool online:<br><a href=\"https:\/\/mxtoolbox.com\/DNSLookup.aspx\">https:\/\/mxtoolbox.com\/DNSLookup.aspx<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Cum configurezi ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Configurarea se face din panoul de administrare al domeniului sau hostingului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pa\u0219i de baz\u0103:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Accesezi zona DNS<\/li>\n\n\n\n<li>Adaugi sau modifici \u00eenregistr\u0103ri<\/li>\n\n\n\n<li>Salvezi modific\u0103rile<\/li>\n\n\n\n<li>A\u0219tep\u021bi propagarea<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Articole utile<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/rdvhost.ro\/blog\/reverse-dns-rdns-ce-este-configurare-si-verificare-corecta\/\" type=\"link\" id=\"https:\/\/rdvhost.ro\/blog\/reverse-dns-rdns-ce-este-configurare-si-verificare-corecta\/\"><strong>Reverse DNS explicat<\/strong><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/rdvhost.ro\/blog\/ce-este-un-vps-ghid-complet\/\" type=\"link\" id=\"https:\/\/rdvhost.ro\/blog\/ce-este-un-vps-ghid-complet\/\"><strong>Ce este un VPS<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Resurse externe<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Domain_Name_System\">https:\/\/en.wikipedia.org\/wiki\/Domain_Name_System<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Concluzie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS este un sistem fundamental al internetului care permite accesarea site-urilor \u00eentr-un mod simplu \u0219i eficient. F\u0103r\u0103 el, internetul ar fi mult mai dificil de utilizat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce este DNS? DNS este un sistem esen\u021bial al internetului care face leg\u0103tura \u00eentre numele de domenii \u0219i adresele IP. Practic, traduce un domeniu u\u0219or de re\u021binut \u00eentr-o adres\u0103 numeric\u0103 pe care serverele o pot \u00een\u021belege. F\u0103r\u0103 acest sistem, ar trebui s\u0103 introduci manual adrese IP pentru a accesa site-uri.<\/p>\n","protected":false},"author":1,"featured_media":68,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-67","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gazduire-web"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DNS: ce este \u0219i cum func\u021bioneaz\u0103 sistemul de domenii - Blog - RDVHOST.RO<\/title>\n<meta name=\"description\" content=\"Afl\u0103 ce este DNS, cum func\u021bioneaz\u0103 \u0219i de ce este esen\u021bial pentru accesarea site-urilor \u0219i func\u021bionarea internetului.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rdvhost.ro\/blog\/dns-ce-este-si-cum-functioneaza-sistemul-de-domenii\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNS: ce este \u0219i cum func\u021bioneaz\u0103 sistemul de domenii - 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