{"id":3751,"date":"2024-09-10T00:24:04","date_gmt":"2024-09-10T00:24:04","guid":{"rendered":"https:\/\/zynoo.com\/blog\/dns-server-not-responding\/"},"modified":"2026-10-27T17:13:52","modified_gmt":"2026-10-27T17:13:52","slug":"dns-server-not-responding","status":"publish","type":"post","link":"https:\/\/zynoo.com\/blog\/pt\/dns-server-not-responding\/","title":{"rendered":"Servidor DNS n\u00e3o responde? 7 maneiras de corrigir o problema"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" id=\"h-\">O erro <strong>Servidor DNS n\u00e3o responde<\/strong> aparece quando seu dispositivo n\u00e3o recebe uma resposta do servidor DNS respons\u00e1vel por resolver os endere\u00e7os dos sites. Voc\u00ea ainda pode estar conectado ao Wi-Fi, mas os sites n\u00e3o carregam porque seu computador n\u00e3o consegue consultar seus endere\u00e7os IP.<\/p>\n\n<p class=\"wp-block-paragraph\">O problema pode estar no roteador, no provedor de internet, em configura\u00e7\u00f5es de DNS incorretas ou em algum software que esteja interferindo nas solicita\u00e7\u00f5es de rede.<\/p>\n\n<p class=\"wp-block-paragraph\">Felizmente, a maioria dos problemas de conex\u00e3o com o DNS pode ser diagnosticada sem conhecimentos t\u00e9cnicos avan\u00e7ados. Veja sete solu\u00e7\u00f5es pr\u00e1ticas para Windows e macOS.<\/p>\n\n<h2 id=\"h-what-does-dns-server-not-responding-mean\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"O_que_significa_o_erro_Servidor_DNS_nao_responde\"><\/span>O que significa o erro Servidor DNS n\u00e3o responde?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">O Sistema de Nomes de Dom\u00ednio (DNS) traduz nomes de sites, como <code>google.com<\/code>, em endere\u00e7os IP que os computadores usam para estabelecer conex\u00f5es.<\/p>\n\n<p class=\"wp-block-paragraph\">Quando voc\u00ea digita o endere\u00e7o de um site, seu dispositivo solicita a um resolvedor DNS que encontre o endere\u00e7o IP correspondente.<\/p>\n\n<p class=\"wp-block-paragraph\">Se o resolvedor n\u00e3o responder dentro do tempo esperado, seu navegador ou sistema operacional poder\u00e1 informar um erro de DNS.<\/p>\n\n<p class=\"wp-block-paragraph\">As causas comuns incluem:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Um resolvedor DNS indispon\u00edvel ou sobrecarregado.<\/li>\n\n\n\n<li>Problemas com o roteador ou a conex\u00e3o com a internet.<\/li>\n\n\n\n<li>Configura\u00e7\u00e3o de DNS incorreta.<\/li>\n\n\n\n<li>Informa\u00e7\u00f5es de DNS desatualizadas no cache local.<\/li>\n\n\n\n<li>Interfer\u00eancia de VPN, proxy ou software de seguran\u00e7a.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong>A distin\u00e7\u00e3o importante:<\/strong> um servidor DNS que n\u00e3o responde \u00e9 diferente de um nome de dom\u00ednio que n\u00e3o existe. Identificar qual problema voc\u00ea est\u00e1 enfrentando ajuda a evitar solu\u00e7\u00f5es desnecess\u00e1rias.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2024\/09\/DNS-Server-Not-responding-1-1024x576.webp\" alt=\"Servidor DNS n\u00e3o responde\" class=\"wp-image-3717\" srcset=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2024\/09\/DNS-Server-Not-responding-1-1024x576.webp 1024w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2024\/09\/DNS-Server-Not-responding-1-300x169.webp 300w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2024\/09\/DNS-Server-Not-responding-1-768x432.webp 768w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2024\/09\/DNS-Server-Not-responding-1-1536x864.webp 1536w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2024\/09\/DNS-Server-Not-responding-1.webp 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h2 id=\"h-how-to-fix-dns-server-not-responding\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como_corrigir_o_erro_Servidor_DNS_nao_responde\"><\/span>Como corrigir o erro Servidor DNS n\u00e3o responde<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Comece pelas verifica\u00e7\u00f5es mais simples antes de alterar as configura\u00e7\u00f5es de rede.<\/p>\n\n<h3 id=\"h-1-check-your-internet-connection\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Verifique_sua_conexao_com_a_internet\"><\/span>1. Verifique sua conex\u00e3o com a internet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Primeiro, determine se o problema afeta apenas um site ou toda a sua conex\u00e3o com a internet.<\/p>\n\n<p class=\"wp-block-paragraph\">Tente abrir v\u00e1rios sites conhecidos. Se nenhum carregar, teste a conex\u00e3o em outro dispositivo.<\/p>\n\n<p class=\"wp-block-paragraph\">Voc\u00ea tamb\u00e9m pode conectar seu computador a outra rede, como um ponto de acesso m\u00f3vel.<\/p>\n\n<p class=\"wp-block-paragraph\">Esses testes fornecem pistas \u00fateis:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Todos os dispositivos s\u00e3o afetados:<\/strong> o problema pode estar no roteador, no provedor de internet ou no resolvedor DNS configurado.<\/li>\n\n\n\n<li><strong>Apenas um dispositivo \u00e9 afetado:<\/strong> verifique as configura\u00e7\u00f5es de DNS e de rede desse dispositivo.<\/li>\n\n\n\n<li><strong>Apenas um site \u00e9 afetado:<\/strong> a configura\u00e7\u00e3o de DNS do dom\u00ednio pode estar incorreta.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Se sua conex\u00e3o com a internet funcionar normalmente em outra rede, concentre-se na rede original antes de alterar as configura\u00e7\u00f5es do computador.<\/p>\n\n<h3 id=\"h-2-restart-your-router-and-computer\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Reinicie_o_roteador_e_o_computador\"><\/span>2. Reinicie o roteador e o computador<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Problemas tempor\u00e1rios no <a href=\"https:\/\/en.wikipedia.org\/wiki\/Router_(computing)\">roteador<\/a> ou na rede podem, \u00e0s vezes, interromper a comunica\u00e7\u00e3o com o DNS.<\/p>\n\n<p class=\"wp-block-paragraph\">Fa\u00e7a esta reinicializa\u00e7\u00e3o simples:<\/p>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Desligue o roteador e o modem, caso sejam aparelhos separados.<\/li>\n\n\n\n<li>Aguarde aproximadamente 30 segundos.<\/li>\n\n\n\n<li>Ligue os aparelhos novamente e aguarde a rede voltar a funcionar.<\/li>\n\n\n\n<li>Reinicie o computador e teste o site novamente.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Voc\u00ea tamb\u00e9m pode se desconectar do Wi-Fi e se conectar novamente.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>N\u00e3o use o bot\u00e3o de restaura\u00e7\u00e3o das configura\u00e7\u00f5es de f\u00e1brica do roteador.<\/strong> Uma reinicializa\u00e7\u00e3o normal \u00e9 suficiente para esse teste e n\u00e3o apaga as configura\u00e7\u00f5es de rede salvas.<\/p>\n\n<h3 id=\"h-3-test-your-dns-server-with-nslookup\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Teste_seu_servidor_DNS_com_nslookup\"><\/span>3. Teste seu servidor DNS com nslookup<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Antes de mudar de provedor de DNS, verifique se o resolvedor configurado est\u00e1 respondendo \u00e0s solicita\u00e7\u00f5es.<\/p>\n\n<p class=\"wp-block-paragraph\">No Windows, abra o Prompt de Comando ou o PowerShell e execute:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>nslookup google.com<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Isso solicita ao resolvedor DNS configurado que consulte o endere\u00e7o IP do Google.<\/p>\n\n<p class=\"wp-block-paragraph\">Em seguida, compare o resultado usando o resolvedor p\u00fablico da Cloudflare:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>nslookup google.com 1.1.1.1<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Se o primeiro comando atingir o tempo limite, mas o segundo funcionar, pode haver um problema com seu resolvedor DNS atual ou com o caminho de rede at\u00e9 ele.<\/p>\n\n<p class=\"wp-block-paragraph\">Se ambos falharem, investigue sua conex\u00e3o com a internet, o firewall ou poss\u00edveis restri\u00e7\u00f5es de rede.<\/p>\n\n<p class=\"wp-block-paragraph\">Se a resposta indicar que o dom\u00ednio n\u00e3o existe, trata-se de um problema de DNS diferente de um tempo limite excedido.<\/p>\n\n<p class=\"wp-block-paragraph\">O comando <code>nslookup<\/code> tamb\u00e9m \u00e9 \u00fatil para administradores de sites que precisam verificar registros DNS.<\/p>\n\n<h3 id=\"h-4-flush-your-dns-cache\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Limpe_o_cache_DNS\"><\/span>4. Limpe o cache DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Seu computador armazena temporariamente os resultados das consultas DNS para acelerar solicita\u00e7\u00f5es futuras.<\/p>\n\n<p class=\"wp-block-paragraph\">\u00c0s vezes, informa\u00e7\u00f5es desatualizadas no cache contribuem para problemas de conex\u00e3o.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>No Windows:<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Abra o Prompt de Comando e execute:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>ipconfig \/flushdns<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">O Windows dever\u00e1 confirmar que o cache do resolvedor DNS foi limpo.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>No macOS:<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Abra o Terminal e execute:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>sudo dscacheutil -flushcache<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Em seguida:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>sudo killall -HUP mDNSResponder<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Digite sua senha de administrador, se solicitada.<\/p>\n\n<p class=\"wp-block-paragraph\">Depois, abra o navegador novamente e teste o site.<\/p>\n\n<p class=\"wp-block-paragraph\">Limpar o cache DNS geralmente \u00e9 seguro, mas n\u00e3o resolve a indisponibilidade de um servidor DNS upstream nem corrige registros incorretos nos servidores de nomes do propriet\u00e1rio do site.<\/p>\n\n<h3 id=\"h-5-change-your-dns-server\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Altere_seu_servidor_DNS\"><\/span>5. Altere seu servidor DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Se o resolvedor DNS atual estiver indispon\u00edvel, mudar para um servi\u00e7o de DNS p\u00fablico confi\u00e1vel pode restaurar o acesso aos sites.<\/p>\n\n<p class=\"wp-block-paragraph\">Duas op\u00e7\u00f5es bastante usadas s\u00e3o:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Provedor<\/th><th>DNS prim\u00e1rio<\/th><th>DNS secund\u00e1rio<\/th><\/tr><tr><td>Cloudflare<\/td><td><code>1.1.1.1<\/code><\/td><td><code>1.0.0.1<\/code><\/td><\/tr><tr><td>Google Public DNS<\/td><td><code>8.8.8.8<\/code><\/td><td><code>8.8.4.4<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h4 id=\"h-change-dns-on-windows-11\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como_alterar_o_DNS_no_Windows_11\"><\/span>Como alterar o DNS no Windows 11<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Abra <strong>Configura\u00e7\u00f5es \u2192 Rede &amp; Internet<\/strong>.<\/li>\n\n\n\n<li>Selecione sua conex\u00e3o Wi-Fi ou Ethernet ativa.<\/li>\n\n\n\n<li>Localize <strong>Atribui\u00e7\u00e3o de servidor DNS<\/strong> e clique em <strong>Editar<\/strong>.<\/li>\n\n\n\n<li>Altere a configura\u00e7\u00e3o de Autom\u00e1tico para Manual.<\/li>\n\n\n\n<li>Ative o IPv4 e insira os endere\u00e7os DNS preferencial e alternativo.<\/li>\n\n\n\n<li>Salve as altera\u00e7\u00f5es e teste sua conex\u00e3o.<\/li>\n<\/ol>\n\n<h4 id=\"h-change-dns-on-macos\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como_alterar_o_DNS_no_macOS\"><\/span>Como alterar o DNS no macOS<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Abra <strong>Ajustes do Sistema \u2192 Rede<\/strong>.<\/li>\n\n\n\n<li>Selecione sua conex\u00e3o de rede ativa.<\/li>\n\n\n\n<li>Clique em <strong>Detalhes \u2192 DNS<\/strong>.<\/li>\n\n\n\n<li>Adicione os endere\u00e7os dos servidores DNS desejados.<\/li>\n\n\n\n<li>Aplique as altera\u00e7\u00f5es e teste o site novamente.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Anote as configura\u00e7\u00f5es anteriores para poder restaur\u00e1-las, se necess\u00e1rio.<\/p>\n\n<p class=\"wp-block-paragraph\">Se o dispositivo pertencer a uma empresa ou escola, entre em contato com o administrador da rede antes de alterar as configura\u00e7\u00f5es de DNS. Resolvedores p\u00fablicos podem n\u00e3o funcionar com dom\u00ednios internos privados.<\/p>\n\n<h3 id=\"h-6-check-vpn-proxy-and-security-software\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Verifique_a_VPN_o_proxy_e_o_software_de_seguranca\"><\/span>6. Verifique a VPN, o proxy e o software de seguran\u00e7a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Servi\u00e7os de VPN, configura\u00e7\u00f5es de proxy e aplicativos de seguran\u00e7a podem afetar a resolu\u00e7\u00e3o de DNS.<\/p>\n\n<p class=\"wp-block-paragraph\">Por exemplo, uma VPN pode usar seus pr\u00f3prios servidores DNS. Se essa conex\u00e3o ficar indispon\u00edvel, as consultas de endere\u00e7os de sites poder\u00e3o falhar.<\/p>\n\n<p class=\"wp-block-paragraph\">Verifique se:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Sua conex\u00e3o VPN est\u00e1 funcionando corretamente.<\/li>\n\n\n\n<li>Seu dispositivo tem alguma configura\u00e7\u00e3o de proxy inesperada.<\/li>\n\n\n\n<li>Os registros do software de seguran\u00e7a mostram solicita\u00e7\u00f5es de DNS sendo bloqueadas.<\/li>\n\n\n\n<li>As configura\u00e7\u00f5es de DNS seguro do navegador entram em conflito com a configura\u00e7\u00e3o da rede.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Se voc\u00ea usa uma VPN pessoal, teste outro local de VPN permitido ou reconecte o servi\u00e7o.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Evite desativar o firewall ou a prote\u00e7\u00e3o antiv\u00edrus.<\/strong> Em vez disso, analise as regras de bloqueio e os registros de diagn\u00f3stico.<\/p>\n\n<p class=\"wp-block-paragraph\">Em dispositivos gerenciados, consulte o administrador antes de modificar as configura\u00e7\u00f5es de VPN, proxy ou seguran\u00e7a.<\/p>\n\n<h3 id=\"h-7-update-network-software-or-contact-your-isp\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Atualize_o_software_de_rede_ou_entre_em_contato_com_o_provedor_de_internet\"><\/span>7. Atualize o software de rede ou entre em contato com o provedor de internet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Se o erro persistir, verifique se h\u00e1 atualiza\u00e7\u00f5es do sistema operacional e problemas com o adaptador de rede.<\/p>\n\n<p class=\"wp-block-paragraph\">Usu\u00e1rios do Windows podem executar a ferramenta integrada de solu\u00e7\u00e3o de problemas de rede e verificar as atualiza\u00e7\u00f5es do adaptador de rede pelo Gerenciador de Dispositivos.<\/p>\n\n<p class=\"wp-block-paragraph\">Voc\u00ea tamb\u00e9m pode verificar os servidores DNS configurados usando:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>ipconfig \/all<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Procure as entradas Servidores DNS associadas ao seu adaptador de rede ativo.<\/p>\n\n<p class=\"wp-block-paragraph\">Se v\u00e1rios dispositivos apresentarem o problema e os resolvedores DNS p\u00fablicos tamb\u00e9m estiverem inacess\u00edveis, talvez seu provedor de internet precise investigar.<\/p>\n\n<p class=\"wp-block-paragraph\">Ao entrar em contato com o suporte, explique quais sites falham, quais dispositivos s\u00e3o afetados e se a conex\u00e3o funciona por meio de outra rede.<\/p>\n\n<p class=\"wp-block-paragraph\">Esses detalhes podem ajudar a identificar o problema mais rapidamente.<\/p>\n\n<h2 id=\"h-what-if-you-own-the-website\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"E_se_o_site_for_seu\"><\/span>E se o site for seu?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Se visitantes relatarem erros de DNS em um dom\u00ednio que voc\u00ea administra, o problema pode estar na configura\u00e7\u00e3o do dom\u00ednio, e n\u00e3o nos computadores deles.<\/p>\n\n<p class=\"wp-block-paragraph\">Verifique o seguinte:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Registro do dom\u00ednio:<\/strong> confirme que seu dom\u00ednio n\u00e3o expirou.<\/li>\n\n\n\n<li><strong>Servidores de nomes:<\/strong> confira se seu registrador aponta para os servidores DNS autoritativos corretos.<\/li>\n\n\n\n<li><strong>Registros DNS:<\/strong> verifique os registros A, AAAA ou CNAME necess\u00e1rios.<\/li>\n\n\n\n<li><strong>DNSSEC:<\/strong> verifique se h\u00e1 alguma configura\u00e7\u00e3o incorreta de DNSSEC ap\u00f3s a mudan\u00e7a de provedor de DNS.<\/li>\n\n\n\n<li><strong>Altera\u00e7\u00f5es recentes:<\/strong> aguarde o tempo necess\u00e1rio para que as respostas de DNS armazenadas em cache expirem.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Voc\u00ea pode usar o <code>nslookup<\/code> ou uma ferramenta online de consulta DNS para comparar os resultados de v\u00e1rios resolvedores.<\/p>\n\n<p class=\"wp-block-paragraph\">Se seu dom\u00ednio usa a Cloudflare, confira o painel de DNS e confirme que os registros necess\u00e1rios est\u00e3o presentes.<\/p>\n\n<h2 id=\"h-dns-server-not-responding-vs-other-connection-errors\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Servidor_DNS_nao_responde_e_outros_erros_de_conexao\"><\/span>Servidor DNS n\u00e3o responde e outros erros de conex\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Erros de conex\u00e3o diferentes podem parecer semelhantes, mas exigem solu\u00e7\u00f5es diferentes.<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Erro<\/th><th>Significado<\/th><\/tr><tr><td>Servidor DNS n\u00e3o responde<\/td><td>Um resolvedor DNS configurado n\u00e3o est\u00e1 respondendo \u00e0s solicita\u00e7\u00f5es<\/td><\/tr><tr><td>DNS_PROBE_FINISHED_NXDOMAIN<\/td><td>A resolu\u00e7\u00e3o de DNS indica que o dom\u00ednio solicitado n\u00e3o existe<\/td><\/tr><tr><td>ERR_CONNECTION_RESET<\/td><td>Uma conex\u00e3o de rede estabelecida ou em tentativa foi redefinida inesperadamente<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<div class=\"wp-block-group zynoo-related-reading has-border-color has-text-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#c7d8ef;border-width:1px;border-radius:8px;border-left-color:#0069ff;border-left-width:3px;color:#24364f;background-color:#eaf2ff;margin-top:28px;margin-bottom:28px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:22px;font-size:16px;line-height:1.8\">\n<p class=\"wp-block-paragraph\"><strong>Se seu navegador informar que a conex\u00e3o foi redefinida, em vez de indicar uma falha na consulta DNS<\/strong>, siga nosso <a href=\"https:\/\/zynoo.com\/blog\/pt\/err-connection-reset\/\">guia de solu\u00e7\u00e3o do erro ERR_CONNECTION_RESET<\/a>.<\/p>\n<\/div>\n\n<div class=\"wp-block-group zynoo-related-reading has-border-color has-text-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#c7d8ef;border-width:1px;border-radius:8px;border-left-color:#0069ff;border-left-width:3px;color:#24364f;background-color:#eaf2ff;margin-top:28px;margin-bottom:28px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:22px;font-size:16px;line-height:1.8\">\n<p class=\"wp-block-paragraph\"><strong>Se seu site apresentar um erro de seguran\u00e7a HTTPS, em vez de um problema de DNS<\/strong>, nosso <a href=\"https:\/\/zynoo.com\/blog\/pt\/err_ssl_version_or_cipher_mismatch\/\">guia de solu\u00e7\u00e3o do erro ERR_SSL_VERSION_OR_CIPHER_MISMATCH<\/a> explica como identificar e corrigir problemas com certificados SSL, protocolos TLS e compatibilidade de criptografia.<\/p>\n<\/div>\n\n<div class=\"wp-block-group zynoo-related-reading has-border-color has-text-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#c7d8ef;border-width:1px;border-radius:8px;border-left-color:#0069ff;border-left-width:3px;color:#24364f;background-color:#eaf2ff;margin-top:28px;margin-bottom:28px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:22px;font-size:16px;line-height:1.8\">\n<p class=\"wp-block-paragraph\"><br \/><strong>Est\u00e1 encontrando erros de DNS ao acessar um site?<\/strong> Confira nosso guia sobre <a href=\"https:\/\/zynoo.com\/blog\/pt\/dns-probe-finished-nxdomain\/?utm_source=chatgpt.com\">como corrigir o erro DNS_PROBE_FINISHED_NXDOMAIN<\/a> para resolver problemas de resolu\u00e7\u00e3o de nomes de dom\u00ednio e voltar a navegar.<\/p>\n<\/div>\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Perguntas_frequentes\"><\/span>Perguntas frequentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1793117497209\"><strong class=\"schema-faq-question\">Por que meu servidor DNS n\u00e3o responde?<\/strong> <p class=\"schema-faq-answer\">As causas comuns incluem problemas de conex\u00e3o com a internet, resolvedores DNS indispon\u00edveis, configura\u00e7\u00f5es de rede incorretas ou interfer\u00eancia de VPNs e softwares de seguran\u00e7a.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1793117523414\"><strong class=\"schema-faq-question\">\u00c9 seguro usar o DNS da Cloudflare ou do Google?<\/strong> <p class=\"schema-faq-answer\">Ambos s\u00e3o servi\u00e7os consolidados de resolu\u00e7\u00e3o DNS p\u00fablica. No entanto, eles t\u00eam pol\u00edticas de privacidade diferentes, e mudar de provedor pode afetar a filtragem ou os servi\u00e7os da rede interna.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1793117538393\"><strong class=\"schema-faq-question\">Reiniciar o roteador resolve problemas de DNS?<\/strong> <p class=\"schema-faq-answer\">Isso pode resolver problemas tempor\u00e1rios no roteador e na conex\u00e3o. No entanto, n\u00e3o corrige registros de dom\u00ednio incorretos nem uma interrup\u00e7\u00e3o persistente no servi\u00e7o do provedor de internet.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1793117547882\"><strong class=\"schema-faq-question\">Limpar o cache DNS deixa minha internet mais r\u00e1pida?<\/strong> <p class=\"schema-faq-answer\">N\u00e3o necessariamente. Limpar o cache DNS remove os resultados de consultas armazenados. \u00c9 principalmente uma etapa de diagn\u00f3stico, n\u00e3o uma forma garantida de aumentar a velocidade da internet.<\/p> <\/div> <\/div>\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusao\"><\/span>Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">O erro Servidor DNS n\u00e3o responde n\u00e3o significa necessariamente que sua conex\u00e3o com a internet caiu por completo. Muitas vezes, ele indica um problema na comunica\u00e7\u00e3o entre seu dispositivo e o resolvedor DNS.<\/p>\n\n<p class=\"wp-block-paragraph\">Comece verificando sua conex\u00e3o e reiniciando os equipamentos de rede. Se o problema persistir, teste o resolvedor, limpe as informa\u00e7\u00f5es de DNS armazenadas em cache e confira suas configura\u00e7\u00f5es de DNS.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>A melhor abordagem \u00e9 identificar onde a resolu\u00e7\u00e3o de DNS est\u00e1 falhando antes de alterar a configura\u00e7\u00e3o da rede.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O erro Servidor DNS n\u00e3o responde aparece quando seu dispositivo n\u00e3o recebe uma resposta do servidor DNS respons\u00e1vel por resolver os endere\u00e7os dos sites. Voc\u00ea ainda pode estar conectado ao Wi-Fi, mas os sites n\u00e3o carregam porque seu computador n\u00e3o consegue consultar seus endere\u00e7os IP. O problema pode estar no roteador, no provedor de internet, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[317],"tags":[368,639,640],"class_list":["post-3751","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hospedagem-de-sites","tag-como-fazer","tag-servidor-dns","tag-servidor-dns-nao-responde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Servidor DNS n\u00e3o responde? 7 maneiras de corrigir o problema<\/title>\n<meta name=\"description\" content=\"Servidor DNS n\u00e3o responde: essa mensagem indica que seu computador n\u00e3o consegue se conectar \u00e0 internet. 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