DNS Tools

Look up and troubleshoot DNS records of any kind — A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and SRV — plus DNSSEC validation, multi-resolver propagation checks and a full DNS health report.

DNS Lookup

Look up A, AAAA, MX, TXT, NS, CNAME and SOA records for a domain.

Reverse DNS (PTR)

Find the hostname(s) associated with an IP address.

WHOIS Lookup

Registration and ownership details for a domain or IP.

DNS Propagation

Compare a DNS record across 8 public resolvers to spot propagation gaps.

DNSSEC Check

Check whether a domain is DNSSEC-signed and validates correctly.

CAA Lookup

List the Certificate Authority Authorization (CAA) records for a domain.

DNS Report

A health check of a domain's NS, SOA, A/AAAA, MX and SPF configuration.

SRV Lookup

Resolve SRV records for a service name like _sip._tcp.example.com.

SOA Lookup

Fetch the Start of Authority record (primary NS, serial, timers).