DoH DNS Lookup & Record Checker

Query DNS records (A, AAAA, MX, TXT, SPF, DMARC, CNAME, NS) directly in your browser using secure Cloudflare DNS-over-HTTPS.

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Recursos Principais e Garantia de Privacidade

  • ✓ Execução 100% no Navegador: Seus dados nunca saem do seu dispositivo nem tocam servidores remotos.
  • ✓ Saída Instantânea em Tempo Real: Zero latência de rede, cálculo ao digitar e cópia rápida.
  • ✓ Gratuito e Ilimitado para Sempre: Sem cadastro, sem planos pagos e sem limites de uso.
  • ✓ Em Conformidade com Padrões: Construído estritamente segundo padrões web RFC, ISO e W3C.

Free Online DoH DNS Lookup & Record Checker

The DoH DNS Lookup & Record Checker is a high-speed, privacy-first web utility in the Network Tools suite designed to query dns records (a, aaaa, mx, txt, spf, dmarc, cname, ns) directly in your browser using secure cloudflare dns-over-https directly in your browser without requiring software installations, browser extensions, or account registrations.

Especificações Técnicas e Arquitetura

Execution Environment:
100% Client-Side Browser Sandbox
Data Privacy:
Zero Server Storage / No Tracking
Processing Speed:
Real-time local CPU execution
Cross-Platform:
Works on Windows, macOS, Linux, iOS & Android

Local Processing for Network Tools

This tool runs within your browser sandbox using modern Web APIs. Inputs are processed on your local device CPU, avoiding network latency and ensuring your data is never stored on external servers or accessible to third parties.

1

Provide Input

Enter, paste, or upload your data into the input field above.

2

Configure & Process

The tool immediately processes your input in real time according to your chosen settings.

3

Copy or Save

Use the Copy button to copy the output to your clipboard, or download the result to your device.

Nota para desenvolvedores: All operations execute locally in your browser memory for maximum speed and data privacy.

Ferramentas Conectadas e Próximos Passos

Utilitários recomendados frequentemente utilizados com DoH DNS Lookup & Record Checker

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Outras Ferramentas de Rede

My IP & Browser Info

View your public IP, user agent, language, screen size. Rate limited for fair use.

Browser Info

View browser capabilities: user agent, screen, language, connection type, cookies. All client-side, no server.

Request Headers Echo

See what headers your browser sends. Useful for debugging and API development. Shows all incoming request headers.

HTTP Headers Checker

Fetch a URL and view response status and headers. Check CORS, cache-control, and server headers.

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Calculate IP subnet mask, network address, broadcast address, IP range, wildcard mask, and usable host count from IP and CIDR prefix.