{"id":2012,"date":"2026-05-26T15:46:45","date_gmt":"2026-05-26T12:46:45","guid":{"rendered":"https:\/\/www.namebox.ro\/blog\/?p=2012"},"modified":"2026-06-02T09:00:21","modified_gmt":"2026-06-02T06:00:21","slug":"ce-este-dns-si-cum-functioneaza-domeniile-web","status":"publish","type":"post","link":"https:\/\/www.namebox.ro\/blog\/ce-este-dns-si-cum-functioneaza-domeniile-web\/","title":{"rendered":"Ce Este DNS si Cum Functioneaza?"},"content":{"rendered":"<p>\nSistemul DNS reprezinta una dintre cele mai importante componente ale internetului modern, chiar daca majoritatea utilizatorilor nu interactioneaza direct cu acesta. Fara DNS, accesarea website-urilor ar fi mult mai complicata, iar domeniile web nu ar functiona asa cum le cunoastem astazi.\n<\/p>\n<p>\nAtunci cand accesezi un website precum <a href=\"https:\/\/www.namebox.ro\/\">namebox.ro<\/a>, browserul trebuie sa identifice serverul pe care este gazduit acel website. DNS-ul este sistemul care face legatura dintre numele domeniului si adresa IP a serverului.\n<\/p>\n<p>\nIn 2026, gestionarea corecta a inregistrarilor DNS este foarte importanta pentru functionarea website-urilor, magazinelor online, email-urilor si platformelor externe precum Shopify, Google Workspace sau Microsoft 365.\n<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.namebox.ro\/blog\/wp-content\/uploads\/2026\/05\/ce-este-dns.jpg\" alt=\"ce este DNS\" width=\"1536\" height=\"1024\" class=\"alignnone size-full wp-image-2013\" srcset=\"https:\/\/www.namebox.ro\/blog\/wp-content\/uploads\/2026\/05\/ce-este-dns.jpg 1536w, https:\/\/www.namebox.ro\/blog\/wp-content\/uploads\/2026\/05\/ce-este-dns-300x200.jpg 300w, https:\/\/www.namebox.ro\/blog\/wp-content\/uploads\/2026\/05\/ce-este-dns-1024x683.jpg 1024w, https:\/\/www.namebox.ro\/blog\/wp-content\/uploads\/2026\/05\/ce-este-dns-768x512.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<h2>Ce inseamna DNS?<\/h2>\n<p>\nDNS vine de la Domain Name System si reprezinta sistemul care transforma numele unui domeniu web intr-o adresa IP.\n<\/p>\n<p>\nServerele conectate la internet comunica folosind adrese IP numerice. Pentru utilizatori ar fi foarte dificil sa memoreze adrese precum 172.67.201.14 sau 104.21.92.210 pentru fiecare website accesat.\n<\/p>\n<p>\nDNS-ul simplifica acest proces si permite utilizarea unor nume usor de retinut precum:\n<\/p>\n<ul>\n<li>namebox.ro<\/li>\n<li>google.com<\/li>\n<li>shopify.com<\/li>\n<li>wordpress.org<\/li>\n<\/ul>\n<h2>Cum functioneaza DNS-ul?<\/h2>\n<p>\nAtunci cand introduci un domeniu in browser, calculatorul sau telefonul trimite o cerere catre un server DNS pentru a afla adresa IP asociata acelui domeniu.\n<\/p>\n<p>\nDupa identificarea IP-ului, browserul se conecteaza la serverul unde este gazduit website-ul si afiseaza continutul paginii.\n<\/p>\n<p>\nAcest proces dureaza de regula doar cateva milisecunde.\n<\/p>\n<h2>Ce sunt name server-ele?<\/h2>\n<p>\nName server-ele sunt serverele care gestioneaza zona DNS a unui domeniu.\n<\/p>\n<p>\nAtunci cand un domeniu utilizeaza anumite name servere, toate inregistrarile DNS sunt administrate pe infrastructura respectiva.\n<\/p>\n<p>\nDe exemplu, daca un domeniu utilizeaza name server-ele NameBox, modificarile DNS pot fi administrate direct din platforma de management DNS a NameBox sau direct din cPanel daca exista un pachet de hosting activ.\n<\/p>\n<h2>Ce sunt inregistrarile domeniului?<\/h2>\n<p>\nZona de administrare a domeniului contine mai multe tipuri de inregistrari utilizate pentru functionarea website-urilor, email-urilor sau platformelor externe.\n<\/p>\n<h3>A Record<\/h3>\n<p>\nA Record conecteaza domeniul la o adresa IPv4. Este una dintre cele mai utilizate inregistrari DNS.\n<\/p>\n<p>\nExemplu:\n<\/p>\n<ul>\n<li>namebox.ro \u2192 192.168.1.1<\/li>\n<\/ul>\n<h3>AAAA Record<\/h3>\n<p>\nAAAA Record functioneaza similar cu A Record, dar utilizeaza adrese IPv6.\n<\/p>\n<h3>CNAME Record<\/h3>\n<p>\nCNAME permite redirectionarea unui subdomeniu catre un alt domeniu sau hostname.\n<\/p>\n<p>\nAcest tip de record este utilizat frecvent pentru:\n<\/p>\n<ul>\n<li>Shopify<\/li>\n<li>Cloudflare<\/li>\n<li>Google Workspace<\/li>\n<li>Microsoft 365<\/li>\n<\/ul>\n<h3>MX Record<\/h3>\n<p>\nMX Record este utilizat pentru configurarea email-urilor si indica serverele care gestioneaza mesajele pentru domeniul respectiv.\n<\/p>\n<p>\nConfigurarea corecta a MX record-urilor este foarte importanta pentru functionarea email-urilor.\n<\/p>\n<h3>TXT Record<\/h3>\n<p>\nTXT Record este utilizat pentru verificari si securitate.\n<\/p>\n<p>\nAcesta este folosit frecvent pentru:\n<\/p>\n<ul>\n<li>SPF<\/li>\n<li>DKIM<\/li>\n<li>DMARC<\/li>\n<li>verificare Google<\/li>\n<li>verificare Microsoft<\/li>\n<\/ul>\n<h2>Ce inseamna propagarea domeniului?<\/h2>\n<p>\nAtunci cand modifici o inregistrare a domeniului, schimbarile nu devin vizibile instant in toata lumea. Acest proces se numeste propagare DNS. Propagarea DNS se poate verifica cu un tool precum <a href=\"https:\/\/dnschecker.ro\/ro\" target=\"_blank\">DNS Checker<\/a>.\n<\/p>\n<p>\nIn functie de configuratie, propagarea poate dura de la cateva minute pana la 24-48 de ore.\n<\/p>\n<p>\nDurata propagarii depinde inclusiv de valoarea TTL utilizata pentru recordurile DNS.\n<\/p>\n<h2>Ce este TTL?<\/h2>\n<p>\nTTL (Time To Live) reprezinta perioada de timp in care o inregistrare DNS este pastrata in cache de catre serverele DNS.\n<\/p>\n<p>\nUn TTL mai mic permite actualizarea mai rapida a modificarilor DNS, insa poate genera mai multe interogari catre serverele DNS.\n<\/p>\n<p>\nUn TTL mai mare reduce numarul de interogari, dar poate incetini propagarea modificarilor.\n<\/p>\n<h2>Cum functioneaza email-ul prin DNS?<\/h2>\n<p>\nEmail-urile moderne depind foarte mult de configurarea corecta a DNS-ului.\n<\/p>\n<p>\nPentru functionarea email-ului sunt utilizate:\n<\/p>\n<ul>\n<li>MX Record<\/li>\n<li>SPF<\/li>\n<li>DKIM<\/li>\n<li>DMARC<\/li>\n<\/ul>\n<p>\nAceste inregistrari ajuta la:\n<\/p>\n<ul>\n<li>livrarea corecta a email-urilor<\/li>\n<li>reducerea spamului<\/li>\n<li>validarea serverelor de trimitere<\/li>\n<li>cresterea reputatiei domeniului<\/li>\n<\/ul>\n<h2>SPF, DKIM si DMARC explicat simplu<\/h2>\n<p>\nSPF, DKIM si DMARC sunt tehnologii moderne de securitate pentru email-uri.\n<\/p>\n<h3>SPF<\/h3>\n<p>\nSPF defineste serverele autorizate sa trimita email-uri pentru domeniul respectiv.\n<\/p>\n<h3>DKIM<\/h3>\n<p>\nDKIM adauga o semnatura digitala mesajelor trimise pentru validarea autenticitatii acestora.\n<\/p>\n<h3>DMARC<\/h3>\n<p>\nDMARC ajuta la prevenirea spoofing-ului si phishing-ului prin verificarea politicilor SPF si DKIM.\n<\/p>\n<p>\nConfigurarea corecta a acestor recorduri este foarte importanta pentru livrarea email-urilor si securitatea domeniului.\n<\/p>\n<h2>Ce este DNSSEC?<\/h2>\n<p>\nDNSSEC reprezinta un sistem suplimentar de securitate pentru DNS.\n<\/p>\n<p>\nAcesta ajuta la prevenirea atacurilor care incearca falsificarea raspunsurilor DNS si directionarea utilizatorilor catre website-uri compromise.\n<\/p>\n<p>\nTot mai multe domenii utilizeaza DNSSEC pentru securitate suplimentara.\n<\/p>\n<h2>Cache DNS si resolvere pentru domenii<\/h2>\n<p>\nPentru accelerarea accesarii website-urilor, serverele DNS utilizeaza sisteme de cache.\n<\/p>\n<p>\nAtunci cand un domeniu este accesat frecvent, informatiile DNS sunt salvate temporar pentru reducerea timpului de raspuns.\n<\/p>\n<p>\nResolverele DNS sunt serverele care cauta si returneaza informatiile DNS necesare pentru accesarea website-urilor.\n<\/p>\n<h2>Domenii redirectate vs parked<\/h2>\n<p>\nUn domeniu redirectat trimite automat utilizatorii catre un alt website.\n<\/p>\n<p>\nUn domeniu parked este un domeniu rezervat care nu afiseaza continut propriu si este utilizat de regula pentru protectia brandului sau rezervarea unui nume.\n<\/p>\n<h2>Management DNS pentru Shopify, Google Workspace sau alte platforme<\/h2>\n<p>\nMulte website-uri moderne utilizeaza platforme externe precum Shopify, Wix, Google Workspace sau Microsoft 365. In aceste situatii, este necesara configurarea manuala a recordurilor DNS pentru conectarea serviciilor.\n<\/p>\n<p>\nDe exemplu, un magazin online Shopify poate utiliza doar domeniul de la un registrar, fara hosting traditional, iar configurarea domeniului se face prin modificarea recordurilor DNS.\n<\/p>\n<p>\nLa NameBox, serviciul de Management DNS este disponibil direct din platforma <strong>my.namebox.ro<\/strong> si permite administrarea completa a inregistrarilor DNS pentru domenii.\n<\/p>\n<p>\nServiciul este disponibil la pretul de 50 Lei + TVA si poate fi utilizat inclusiv pentru:\n<\/p>\n<ul>\n<li>Shopify<\/li>\n<li>Google Workspace<\/li>\n<li>Microsoft 365<\/li>\n<li>Cloudflare<\/li>\n<li>Servere externe<\/li>\n<li>Email hosting<\/li>\n<\/ul>\n<h2>Cele mai frecvente probleme de configurare domeniu<\/h2>\n<p>\nPrintre cele mai comune probleme DNS se numara:\n<\/p>\n<ul>\n<li>propagare incompleta<\/li>\n<li>MX record configurat gresit<\/li>\n<li>CNAME incorect<\/li>\n<li>TTL prea mare<\/li>\n<li>name server-e gresite<\/li>\n<li>probleme SPF sau DKIM<\/li>\n<\/ul>\n<p>\nConfigurarea gresita a domeniului sau a inregistrarilor poate afecta functionarea website-ului sau livrarea email-urilor.\n<\/p>\n<h2>Intrebari frecvente<\/h2>\n<h3>Cum functioneaza sistemul DNS?<\/h3>\n<p>\nDNS este sistemul care transforma numele domeniilor web in adrese IP utilizate de servere.\n<\/p>\n<h3>Ce este un A Record?<\/h3>\n<p>\nA Record conecteaza domeniul la o adresa IPv4.\n<\/p>\n<h3>Cat dureaza propagarea DNS?<\/h3>\n<p>\nPropagarea DNS poate dura intre cateva minute si 48 de ore, in functie de configuratie si TTL.\n<\/p>\n<h3>Ce inseamna MX Record?<\/h3>\n<p>\nMX Record este utilizat pentru configurarea email-urilor unui domeniu.\n<\/p>\n<h3>Ce este SPF?<\/h3>\n<p>\nSPF este o inregistrare DNS utilizata pentru validarea serverelor autorizate sa trimita email-uri.\n<\/p>\n<h3>Pot folosi doar Management DNS fara hosting?<\/h3>\n<p>\nDa. Multe platforme moderne precum Shopify necesita doar conectarea domeniului prin DNS, fara hosting traditional.\n<\/p>\n<h3>Ce este DNSSEC?<\/h3>\n<p>\nDNSSEC este un sistem suplimentar de securitate pentru protejarea raspunsurilor DNS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sistemul DNS reprezinta una dintre cele mai importante componente ale internetului modern, chiar daca majoritatea utilizatorilor nu interactioneaza direct cu acesta. Fara DNS, accesarea website-urilor ar fi mult mai complicata, iar domeniile web nu ar functiona asa cum le cunoastem astazi. Atunci cand accesezi un website precum namebox.ro, browserul trebuie sa identifice serverul pe care &#8230; <a title=\"Ce Este DNS si Cum Functioneaza?\" class=\"read-more\" href=\"https:\/\/www.namebox.ro\/blog\/ce-este-dns-si-cum-functioneaza-domeniile-web\/\" aria-label=\"Cite\u0219te mai multe despre Ce Este DNS si Cum Functioneaza?\">Cite\u0219te mai mult<\/a><\/p>\n","protected":false},"author":3,"featured_media":2015,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domenii"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ce Este DNS? 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