DNS Tools

Check DNS records for any domain instantly. Our free DNS lookup tool queries authoritative nameservers to show A, AAAA, MX, TXT, NS, SOA, and CNAME records.

Look up A and AAAA records for any domain to find its IPv4 and IPv6 addresses. Troubleshoot DNS issues and verify domain configurations with our free tool.

Look up MX records for any domain to identify mail servers and their priorities. Essential for troubleshooting email delivery issues and verifying email setup.

Look up NS records to identify the authoritative nameservers for any domain. Verify DNS delegation and troubleshoot nameserver configuration issues.

Look up SOA records to view domain authority details including primary nameserver, admin contact, serial number, and zone timing parameters.

Look up TXT records to verify domain ownership, check SPF, DKIM, and DMARC settings, and view all text-based DNS configurations for any domain.

Check if your DNS changes have propagated worldwide. Our tool queries 50+ global DNS servers to show real-time propagation status for any record type.

Benchmark public DNS resolvers (Cloudflare, Google, Quad9 and more) from our server in real time. Compare lookup latency and pick the fastest DNS for your network.

Analyze your domain's DNS security posture. Check DNSSEC implementation, identify misconfigurations, and get recommendations for improved DNS security.

Check email authentication records for any domain. Validate DKIM signatures, SPF policies, and DMARC settings to improve email deliverability and security.

Look up the hostname associated with any IP address using reverse DNS. Verify PTR records and identify servers by their IP addresses instantly.

Test whether your DNS resolver supports encrypted DNS protocols including DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT). Confirm your queries are private and n...

Test whether a domain's nameservers allow unauthorized DNS zone transfers (AXFR). Identify zone transfer misconfigurations that expose your full DNS record set.

Run a comprehensive DNS health check for any domain. Verify DNS records, DNSSEC validation, propagation consistency, and configuration quality with a graded scorecard and actionable recommendations.

Paste up to 10 hostnames or IP addresses and resolve A, AAAA, MX, NS and SPF records (or reverse DNS for IPs) in one pass. Free, no account, pure DNS lookups.