{"id":2288,"date":"2026-01-16T12:36:56","date_gmt":"2026-01-16T12:36:56","guid":{"rendered":"https:\/\/ssblog.eu.enginyr.ing\/?p=2288"},"modified":"2026-01-16T12:41:51","modified_gmt":"2026-01-16T12:41:51","slug":"repara-eroarea-dns_probe_finished_nxdomain-cele-mai-comune-6-cauze","status":"publish","type":"post","link":"https:\/\/www.serverspan.ro\/blog\/repara-eroarea-dns_probe_finished_nxdomain-cele-mai-comune-6-cauze\/","title":{"rendered":"Repar\u0103 eroarea DNS_PROBE_FINISHED_NXDOMAIN: cele mai comune 6 cauze"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Eroarea DNS_PROBE_FINISHED_NXDOMAIN \u00eenseamn\u0103 c\u0103 browserul t\u0103u nu poate g\u0103si adresa IP pentru domeniul pe care l-ai introdus. Partea &#8220;NXDOMAIN&#8221; vine de la &#8220;Non-Existent Domain&#8221; (Domeniu Inexistent), ceea ce \u00ee\u021bi spune c\u0103 Sistemul de Nume de Domeniu (DNS) a c\u0103utat website-ul dar s-a \u00eentors cu m\u00e2na goal\u0103. Aceast\u0103 eroare apare \u00een toate browserele, de\u0219i Chrome afi\u0219eaz\u0103 cea mai recognoscibil\u0103 versiune. \u00cen experien\u021ba noastr\u0103 oferind suport clien\u021bilor de g\u0103zduire, aceast\u0103 eroare provine din \u0219ase cauze previzibile, iar verificarea metodic\u0103 a fiec\u0103reia rezolv\u0103 problema \u00een sub zece minute pentru majoritatea utilizatorilor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spre deosebire de erorile de server (500, 502, 503), DNS_PROBE_FINISHED_NXDOMAIN provine din conexiunea dintre dispozitivul t\u0103u \u0219i infrastructura DNS. Website-ul \u00een sine ar putea fi perfect func\u021bional \u00een timp ce tu prive\u0219ti o pagin\u0103 de eroare. \u00cen\u021belegerea locului unde se produce ruptura te ajut\u0103 s\u0103 o repari mai rapid \u0219i previne panica inutil\u0103 despre serverul t\u0103u picat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cum func\u021bioneaz\u0103 (\u0219i e\u0219ueaz\u0103) rezolu\u021bia DNS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2nd tastezi un URL \u00een browser, \u00eencepe o reac\u021bie \u00een lan\u021b. Dispozitivul t\u0103u \u00eentreab\u0103 un resolver DNS despre adresa IP asociat\u0103 cu acel nume de domeniu. Resolver-ul verific\u0103 mai \u00eent\u00e2i cache-ul s\u0103u. Dac\u0103 nu are un r\u0103spuns recent, interogheaz\u0103 serverele root, apoi serverele TLD, apoi <a href=\"https:\/\/www.serverspan.ro\/blog\/cum-sa-transferi-un-domeniu-fara-downtime-mutare-registrar-cutover-dns-si-siguranta-email-ului\/\">nameserverele autoritare<\/a> ale domeniului. C\u00e2nd orice verig\u0103 din acest lan\u021b se rupe sau returneaz\u0103 &#8220;acest domeniu nu exist\u0103&#8221;, vezi DNS_PROBE_FINISHED_NXDOMAIN.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eroarea poate proveni de la ma\u0219ina ta local\u0103, routerul t\u0103u, serverele DNS ale ISP-ului t\u0103u, sau configura\u021bia real\u0103 DNS a domeniului. Identificarea exact\u0103 a stratului care a e\u0219uat determin\u0103 dac\u0103 po\u021bi repara problema singur \u00een secunde sau trebuie s\u0103 a\u0219tep\u021bi ca altcineva s\u0103 corecteze o problem\u0103 de server.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cauza 1: cache DNS local corupt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sistemul t\u0103u de operare stocheaz\u0103 c\u0103ut\u0103rile DNS \u00eentr-un cache local pentru a accelera vizitele repetate. C\u00e2nd acest cache devine corupt sau con\u021bine intr\u0103ri \u00eenvechite, computerul t\u0103u poate insista c\u0103 un domeniu nu exist\u0103 chiar dac\u0103 restul internetului \u00eel poate accesa perfect. Aceasta este singura cauz\u0103 cea mai comun\u0103 pe care o \u00eent\u00e2lnim c\u00e2nd clien\u021bii raporteaz\u0103 erori NXDOMAIN pe site-uri specifice care func\u021bioneaz\u0103 pentru to\u021bi ceilal\u021bi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Golirea (flushing) cache-ului DNS for\u021beaz\u0103 sistemul t\u0103u s\u0103 efectueze c\u0103ut\u0103ri proaspete. Procesul difer\u0103 \u00een func\u021bie de sistemul de operare:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Windows<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Deschide Command Prompt ca Administrator \u0219i ruleaz\u0103:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ipconfig \/flushdns<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Ar trebui s\u0103 vezi mesajul &#8220;Successfully flushed the DNS Resolver Cache.&#8221; Pentru o resetare mai am\u0103nun\u021bit\u0103, elibereaz\u0103 \u0219i re\u00eennoie\u0219te \u0219i adresa IP:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ipconfig \/release\nipconfig \/renew<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">macOS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Deschide Terminal \u0219i ruleaz\u0103 comanda potrivit\u0103 pentru versiunea ta de macOS. Pentru Ventura \u0219i versiuni ulterioare:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Linux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Comanda depinde de serviciul t\u0103u DNS. Pentru sistemele care folosesc systemd-resolved:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl restart systemd-resolved<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Dup\u0103 golire, reporne\u0219te complet browserul (\u00eenchide toate ferestrele, nu doar tab-ul) \u0219i \u00eencearc\u0103 s\u0103 accesezi site-ul din nou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cauza 2: cache DNS browser (separat de cache-ul sistemului)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chrome, Firefox \u0219i alte browsere moderne men\u021bin propriul cache DNS intern independent de sistemul t\u0103u de operare. Chiar \u0219i dup\u0103 golirea cache-ului sistemului, browserul t\u0103u ar putea servi date \u00eenvechite din stocarea sa privat\u0103. Acest lucru explic\u0103 de ce un site se \u00eencarc\u0103 \u00een Firefox dar e\u0219ueaz\u0103 \u00een Chrome, sau invers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru Chrome, tasteaz\u0103 urm\u0103toarele \u00een bara de adrese:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chrome:\/\/net-internals\/#dns<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">F\u0103 click pe &#8220;Clear host cache&#8221; pentru a goli \u00eenregistr\u0103rile DNS interne ale Chrome. C\u00e2t e\u0219ti acolo, navigheaz\u0103 la sec\u021biunea &#8220;Sockets&#8221; din meniul din st\u00e2nga \u0219i f\u0103 click pe &#8220;Flush socket pools&#8221; pentru a cur\u0103\u021ba orice conexiuni persistente care ar putea cauza probleme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 ai modificat orice func\u021bii experimentale, reseteaz\u0103-le vizit\u00e2nd:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chrome:\/\/flags<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">F\u0103 click pe &#8220;Reset all to default&#8221; \u00een partea de sus a paginii. Unele flag-uri experimentale DNS sau de re\u021bea pot interfera cu rezolu\u021bia normal\u0103.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cauza 3: servere DNS configurate gre\u0219it sau defecte<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Implicit, dispozitivul t\u0103u folose\u0219te servere DNS atribuite de routerul t\u0103u, care de obicei le mo\u0219tene\u0219te de la ISP-ul t\u0103u. Serverele DNS ale ISP-urilor sunt cunoscute pentru performan\u021b\u0103 slab\u0103, \u00eentreruperi intermitente \u0219i caching agresiv care ignor\u0103 valorile TTL. C\u00e2nd infrastructura DNS a ISP-ului t\u0103u \u00eent\u00e2mpin\u0103 probleme, fiecare c\u0103utare de domeniu e\u0219ueaz\u0103 sau returneaz\u0103 rezultate incorecte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trecerea la un furnizor DNS public de \u00eencredere rezolv\u0103 adesea erorile NXDOMAIN imediat. Cele mai populare dou\u0103 op\u021biuni sunt Google Public DNS (8.8.8.8 \u0219i 8.8.4.4) \u0219i Cloudflare DNS (1.1.1.1 \u0219i 1.0.0.1). Ambele ofer\u0103 timpi de r\u0103spuns mai rapizi \u0219i uptime mai bun dec\u00e2t majoritatea resolver-elor ISP.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Schimbarea DNS pe Windows<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Deschide Control Panel, navigheaz\u0103 la Network and Sharing Center \u0219i f\u0103 click pe conexiunea ta activ\u0103. Selecteaz\u0103 Properties, apoi eviden\u021biaz\u0103 &#8220;Internet Protocol Version 4 (TCP\/IPv4)&#8221; \u0219i f\u0103 click pe Properties. Selecteaz\u0103 &#8220;Use the following DNS server addresses&#8221; \u0219i introdu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Preferred DNS server: 8.8.8.8<\/li>\n\n\n\n<li>Alternate DNS server: 8.8.4.4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">F\u0103 click pe OK, \u00eenchide toate ferestrele \u0219i reporne\u0219te browserul.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Schimbarea DNS pe macOS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Deschide System Preferences (sau System Settings pe versiuni mai noi), f\u0103 click pe Network, selecteaz\u0103 conexiunea activ\u0103 \u0219i f\u0103 click pe Advanced. Navigheaz\u0103 la tab-ul DNS, f\u0103 click pe iconi\u021ba plus (+) \u0219i adaug\u0103 8.8.8.8 \u0219i 8.8.4.4. F\u0103 click pe OK, apoi Apply.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Schimbarea DNS pe Linux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Editeaz\u0103 fi\u0219ierul resolv.conf temporar sau configureaz\u0103 network manager permanent. Pentru un test rapid:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/etc\/resolv.conf<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Adaug\u0103 sau modific\u0103 liniile nameserver:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nameserver 8.8.8.8\nnameserver 8.8.4.4<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Re\u021bine c\u0103 aceast\u0103 schimbare poate fi suprascris\u0103 la repornire \u00een func\u021bie de configura\u021bia re\u021belei tale. Pentru schimb\u0103ri permanente, configureaz\u0103 DNS prin NetworkManager sau set\u0103rile de re\u021bea ale distribu\u021biei tale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cauza 4: fi\u0219ierul hosts local blocheaz\u0103 domeniul<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fi\u0219ierul hosts de pe computerul t\u0103u ac\u021bioneaz\u0103 ca o suprascriere DNS local\u0103. \u00cenainte ca sistemul t\u0103u s\u0103 interogheze orice server DNS extern, verific\u0103 mai \u00eent\u00e2i acest fi\u0219ier. Malware-ul, software-ul de securitate prea zelos sau intr\u0103rile manuale uitate pot redirec\u021biona domenii c\u0103tre adrese invalide (precum 0.0.0.0 sau 127.0.0.1), cauz\u00e2nd un comportament similar NXDOMAIN.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cent\u00e2lnim regulat acest lucru c\u00e2nd clien\u021bii instaleaz\u0103 software de blocare reclame sau control parental care modific\u0103 fi\u0219ierul hosts agresiv. Dezinstalarea software-ului nu cur\u0103\u021b\u0103 \u00eentotdeauna intr\u0103rile din fi\u0219ierul hosts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Verificarea fi\u0219ierului hosts pe Windows<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Navigheaz\u0103 la C:\\Windows\\System32\\drivers\\etc\\ \u0219i deschide fi\u0219ierul &#8220;hosts&#8221; cu Notepad (ruleaz\u0103 ca Administrator). Caut\u0103 orice linii care con\u021bin domeniul pe care \u00eencerci s\u0103-l accesezi. Dac\u0103 g\u0103se\u0219ti intr\u0103ri care indic\u0103 domeniul c\u0103tre 127.0.0.1, 0.0.0.0 sau orice IP care nu este serverul legitim, \u0219terge acele linii \u0219i salveaz\u0103 fi\u0219ierul.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Verificarea fi\u0219ierului hosts pe macOS \u0219i Linux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Deschide Terminal \u0219i ruleaz\u0103:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/etc\/hosts<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Revizuie\u0219te fi\u0219ierul pentru intr\u0103ri suspecte. Un fi\u0219ier hosts curat con\u021bine de obicei doar defini\u021bii localhost (127.0.0.1 localhost). \u0218terge orice linii care redirec\u021bioneaz\u0103 domeniul problematic. Salveaz\u0103 cu Ctrl+O \u0219i ie\u0219i cu Ctrl+X.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cauza 5: interferen\u021ba VPN sau software de securitate<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aplica\u021biile VPN ruteaz\u0103 traficul t\u0103u prin propriile servere DNS pentru a preveni scurgerile DNS care ar putea expune activitatea ta de navigare. C\u00e2nd software-ul VPN func\u021bioneaz\u0103 defectuos, e\u0219ueaz\u0103 conectarea corect\u0103 sau intr\u0103 \u00een conflict cu stiva de re\u021bea a sistemului t\u0103u, rezolu\u021bia DNS se stric\u0103 complet. VPN-ul intercepteaz\u0103 interog\u0103rile tale DNS dar e\u0219ueaz\u0103 s\u0103 le redirec\u021bioneze corect, rezult\u00e2nd \u00een erori NXDOMAIN.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Software-ul antivirus \u0219i firewall poate cauza probleme similare. Aceste aplica\u021bii includ adesea func\u021bii de &#8220;protec\u021bie web&#8221; care inspecteaz\u0103 interog\u0103rile DNS \u0219i blocheaz\u0103 conexiunile c\u0103tre domenii pe care le consider\u0103 suspecte. Pozitivele false apar regulat, mai ales cu website-uri noi sau mai pu\u021bin populare.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a diagnostica interferen\u021ba VPN sau software de securitate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deconecteaz\u0103 temporar VPN-ul complet (nu doar pauz\u0103)<\/li>\n\n\n\n<li>Dezactiveaz\u0103 protec\u021bia web sau scanarea \u00een timp real a antivirusului t\u0103u temporar<\/li>\n\n\n\n<li>Dac\u0103 folose\u0219ti un firewall corporativ sau proxy, testeaz\u0103 dintr-o re\u021bea diferit\u0103<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 site-ul se \u00eencarc\u0103 dup\u0103 dezactivarea acestor instrumente, ai identificat vinovatul. Verific\u0103 set\u0103rile software-ului pentru op\u021biuni de whitelist domenii, sau contacteaz\u0103 furnizorul despre rapoarte pozitive false.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cauza 6: domeniul chiar nu exist\u0103 (probleme server-side)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uneori NXDOMAIN este precis: domeniul chiar nu are \u00eenregistr\u0103ri DNS. Acest lucru se \u00eent\u00e2mpl\u0103 c\u00e2nd domeniile expir\u0103, c\u00e2nd fi\u0219ierele de zon\u0103 DNS sunt configurate gre\u0219it, c\u00e2nd nameserverele sunt schimbate f\u0103r\u0103 migrare corect\u0103 a \u00eenregistr\u0103rilor, sau c\u00e2nd domeniul nu a fost niciodat\u0103 configurat corect de la \u00eenceput.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 ai epuizat repara\u021biile client-side \u0219i al\u021bi utilizatori de asemenea nu pot accesa site-ul, problema este la configura\u021bia proprietarului domeniului. Po\u021bi verifica asta folosind <a href=\"https:\/\/www.serverspan.ro\/blog\/propagarea-dns-demistificata-cum-sa-verifici-ce-vede-lumea-pas-cu-pas\/\">instrumente online<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ICANN Lookup:<\/strong> Verific\u0103 dac\u0103 domeniul este \u00eenregistrat \u0219i activ, sau dac\u0103 a expirat<\/li>\n\n\n\n<li><strong>DNS Checker tools:<\/strong> Interogheaz\u0103 multiple servere DNS globale pentru a vedea dac\u0103 cineva poate rezolva domeniul<\/li>\n\n\n\n<li><strong>WHOIS lookup:<\/strong> Verific\u0103 statusul \u00eenregistr\u0103rii domeniului \u0219i configura\u021bia nameserverelor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 de\u021bii domeniul care experimenteaz\u0103 erori NXDOMAIN, verific\u0103 aceste configura\u021bii:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Confirm\u0103 c\u0103 <a href=\"https:\/\/www.serverspan.ro\/blog\/cum-sa-cumperi-un-nume-de-domeniu-inceputul-succesului-afacerii-tale\/\">domeniul t\u0103u<\/a> nu a expirat la registrar-ul t\u0103u<\/li>\n\n\n\n<li>Verific\u0103 dac\u0103 nameserverele la registrar-ul t\u0103u indic\u0103 c\u0103tre furnizorul DNS corect<\/li>\n\n\n\n<li>Verific\u0103 dac\u0103 \u00eenregistr\u0103rile A (\u0219i AAAA pentru IPv6) exist\u0103 at\u00e2t pentru domeniul apex (exemplu.com) c\u00e2t \u0219i pentru subdomeniul www<\/li>\n\n\n\n<li>Dac\u0103 ai schimbat recent nameserverele, permite p\u00e2n\u0103 la 48 de ore pentru propagare<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2nd gestionezi <a href=\"https:\/\/www.serverspan.ro\/domains\">domenii prin ServerSpan<\/a>, echipa noastr\u0103 de suport poate verifica configura\u021bia DNS \u0219i identifica \u00eenregistr\u0103rile configurate gre\u0219it \u00een c\u00e2teva minute. Probleme comune pe care le rezolv\u0103m includ \u00eenregistr\u0103ri A lips\u0103 dup\u0103 migr\u0103ri, delegare incorect\u0103 a nameserverelor la registrari \u0219i nepotriviri DNSSEC care cauzeaz\u0103 e\u0219ecuri de validare.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Secven\u021ba de diagnosticare: cea mai rapid\u0103 cale spre rezolvare<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2nd \u00eent\u00e2lne\u0219ti DNS_PROBE_FINISHED_NXDOMAIN, parcurge ace\u0219ti pa\u0219i \u00een ordine. Fiecare pas dureaz\u0103 sub dou\u0103 minute \u0219i elimin\u0103 o cauz\u0103 poten\u021bial\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00cencearc\u0103 un alt browser sau dispozitiv:<\/strong> Dac\u0103 Chrome e\u0219ueaz\u0103 dar Firefox func\u021bioneaz\u0103, concentreaz\u0103-te pe repara\u021bii specifice browserului. Dac\u0103 telefonul t\u0103u func\u021bioneaz\u0103 dar laptopul nu, concentreaz\u0103-te pe repara\u021bii specifice laptopului.<\/li>\n\n\n\n<li><strong>Deschide o fereastr\u0103 incognito\/privat\u0103:<\/strong> Aceasta ocole\u0219te majoritatea cache-ului browserului \u0219i dezactiveaz\u0103 extensiile care ar putea interfera.<\/li>\n\n\n\n<li><strong>Gole\u0219te cache-ul DNS al sistemului:<\/strong> Dureaz\u0103 10 secunde \u0219i rezolv\u0103 cea mai comun\u0103 cauz\u0103.<\/li>\n\n\n\n<li><strong>\u00cencearc\u0103 un alt server DNS:<\/strong> Treci temporar la 8.8.8.8 pentru a elimina problemele DNS ISP.<\/li>\n\n\n\n<li><strong>Verific\u0103 fi\u0219ierul hosts:<\/strong> Caut\u0103 intr\u0103ri care blocheaz\u0103 domeniul specific.<\/li>\n\n\n\n<li><strong>Dezactiveaz\u0103 VPN \u0219i software de securitate:<\/strong> Testeaz\u0103 f\u0103r\u0103 aceste straturi care \u00ee\u021bi intercepteaz\u0103 traficul.<\/li>\n\n\n\n<li><strong>Testeaz\u0103 dintr-o re\u021bea diferit\u0103:<\/strong> Folose\u0219te datele mobile \u00een loc de WiFi pentru a ocoli \u00eentreaga stiv\u0103 de re\u021bea local\u0103.<\/li>\n\n\n\n<li><strong>Verific\u0103 dac\u0103 domeniul exist\u0103:<\/strong> Folose\u0219te instrumente online pentru a verifica dac\u0103 \u00eenregistr\u0103rile DNS ale domeniului sunt configurate corect.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aceast\u0103 secven\u021b\u0103 trece de la cele mai rapide repara\u021bii la depanare mai implicat\u0103, \u0219i de la probleme client-side (pe care le po\u021bi repara) la probleme server-side (care necesit\u0103 ac\u021biunea proprietarului domeniului).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Prevenirea erorilor NXDOMAIN viitoare<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Odat\u0103 ce ai rezolvat problema imediat\u0103, c\u00e2teva schimb\u0103ri de configurare reduc probabilitatea recuren\u021bei:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Folose\u0219te DNS public de \u00eencredere permanent:<\/strong> Configureaz\u0103 Google (8.8.8.8) sau Cloudflare (1.1.1.1) DNS la nivelul routerului t\u0103u astfel \u00eenc\u00e2t toate dispozitivele s\u0103 beneficieze<\/li>\n\n\n\n<li><strong>Men\u021bine sistemul \u0219i browserul actualizate:<\/strong> Bug-urile legate de DNS sunt reparate \u00een actualiz\u0103ri<\/li>\n\n\n\n<li><strong>Revizuie\u0219te set\u0103rile software-ului de securitate:<\/strong> Adaug\u0103 \u00een whitelist domeniile legitime \u0219i dezactiveaz\u0103 filtrarea web prea agresiv\u0103<\/li>\n\n\n\n<li><strong>Pentru proprietarii de domenii:<\/strong> Configureaz\u0103 alerte de monitorizare pentru e\u0219ecuri de rezolu\u021bie DNS \u0219i avertismente de expirare a domeniului<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dac\u0103 rulezi website-uri pe <a href=\"https:\/\/www.serverspan.ro\/virtual-servers\">infrastructura ServerSpan<\/a>, DNS-ul nostru gestionat include verific\u0103ri automate de s\u0103n\u0103tate care te alerteaz\u0103 \u00eenainte ca configur\u0103rile gre\u0219ite DNS s\u0103 cauzeze erori vizibile vizitatorilor. Prinderea domeniilor expirate sau \u00eenregistr\u0103rilor configurate gre\u0219it \u00eenainte s\u0103 declan\u0219eze erori NXDOMAIN \u00ee\u021bi protejeaz\u0103 afacerea de downtime prevenibil.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2nd erorile NXDOMAIN \u00ee\u021bi afecteaz\u0103 propriul website<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Primirea rapoartelor c\u0103 vizitatorii v\u0103d DNS_PROBE_FINISHED_NXDOMAIN c\u00e2nd \u00ee\u021bi acceseaz\u0103 site-ul necesit\u0103 investiga\u021bie imediat\u0103. Spre deosebire de problemele client-side care afecteaz\u0103 utilizatori individuali, problemele DNS server-side afecteaz\u0103 pe toat\u0103 lumea care \u00eencearc\u0103 s\u0103 ajung\u0103 la tine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cencepe prin interogarea domeniului t\u0103u din loca\u021bii multiple folosind un checker DNS global. Dac\u0103 domeniul e\u0219ueaz\u0103 s\u0103 se rezolve la nivel mondial, verific\u0103 contul t\u0103u de registrar pentru avertismente de expirare sau schimb\u0103ri de nameserver. Dac\u0103 DNS-ul se rezolv\u0103 corect \u00een unele regiuni dar nu \u00een altele, probabil experimentezi \u00eent\u00e2rzieri de propagare de la schimb\u0103ri recente, care se rezolv\u0103 \u00een 24-48 de ore.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru site-uri g\u0103zduite cu furnizori profesioni\u0219ti, problemele DNS se trag adesea de la &#8220;lipiciul&#8221; dintre registrar (de unde ai cump\u0103rat domeniul) \u0219i furnizorul de g\u0103zduire (unde locuie\u0219te site-ul t\u0103u). Asigur\u0103-te c\u0103 set\u0103rile nameserverelor registrar-ului t\u0103u indic\u0103 exact c\u0103tre nameserverele host-ului t\u0103u, cu ortografie corect\u0103 \u0219i f\u0103r\u0103 puncte sau spa\u021bii la final. O gre\u0219eal\u0103 de tipar \u00een ns1.serverspan.com devine o eroare NXDOMAIN pentru fiecare vizitator.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2nd ai nevoie de asisten\u021b\u0103 expert\u0103 pentru diagnosticarea problemelor DNS complexe, <a href=\"https:\/\/www.serverspan.ro\/linux-administration\">serviciile gestionate ServerSpan<\/a> includ depanare DNS ca parte a ariei noastre de suport. Am rezolvat mii de situa\u021bii NXDOMAIN \u0219i putem identifica adesea cauza r\u0103d\u0103cin\u0103 \u00een c\u00e2teva minute verific\u00e2nd nameserverele autoritare, verific\u00e2nd configura\u021biile fi\u0219ierelor de zon\u0103 \u0219i test\u00e2nd rezolu\u021bia din multiple loca\u021bii globale.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eroarea DNS_PROBE_FINISHED_NXDOMAIN \u00eenseamn\u0103 c\u0103 browserul t\u0103u nu poate g\u0103si adresa IP pentru domeniul pe care l-ai introdus. Partea &#8220;NXDOMAIN&#8221; vine de la &#8220;Non-Existent Domain&#8221; (Domeniu Inexistent), ceea ce \u00ee\u021bi spune c\u0103 Sistemul de Nume de Domeniu (DNS) a c\u0103utat website-ul dar s-a \u00eentors cu m\u00e2na goal\u0103. Aceast\u0103 eroare apare \u00een toate browserele, de\u0219i Chrome afi\u0219eaz\u0103 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2286,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,9],"tags":[13525,13538,13523,13486,13531,13537,13517,13513,13481,13529,13528,13530,13524,13512,13535,13515,13514,13488,13521,13463,13541,13518,13540,13536,13519,13539,13511,13526,13522,13532,13520,13516,13533,13527,13534],"class_list":["post-2288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domains-branding","category-tutorials","tag-antivirus-blocheaza-website","tag-browser-nu-poate-atinge-site","tag-cautare-dns-esuata","tag-cloudflare-dns-1-1-1-1","tag-comanda-ipconfig-flushdns","tag-configuratie-dns-retea","tag-curatare-cache-dns-browser","tag-depanare-eroare-dns","tag-dns_probe_finished_nxdomain-android","tag-dns_probe_finished_nxdomain-mobil","tag-domeniu-expirat-nxdomain","tag-eroare-configurare-nameserver","tag-eroare-domeniu-negasit","tag-eroare-nxdomain-chrome","tag-ghid-depanare-dns","tag-golire-cache-dns-mac","tag-golire-cache-dns-windows","tag-google-dns-8-8-8-8","tag-insemnatate-nxdomain","tag-intarziere-propagare-dns","tag-lista-servere-dns-publice","tag-locatie-fisier-hosts-windows","tag-probleme-dns-isp","tag-repara-conexiune-internet-dns","tag-repara-eroare-dns-chrome","tag-reparatie-coruptie-cache-dns","tag-reparatie-dns_probe_finished_nxdomain","tag-reparatie-scurgere-dns-vpn","tag-resetare-flag-uri-dns-chrome","tag-restart-systemd-resolved","tag-rezolutie-dns-esuata","tag-schimbare-server-dns-google","tag-server-dns-nu-raspunde","tag-verificare-inregistrari-dns-domeniu","tag-website-nu-se-incarca-dns"],"_links":{"self":[{"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2288"}],"version-history":[{"count":2,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2288\/revisions"}],"predecessor-version":[{"id":2291,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2288\/revisions\/2291"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/2286"}],"wp:attachment":[{"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.serverspan.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}