Free DNS Tools
A handful of fast, free DNS tools — no sign-up required. Look up records, check propagation, inspect email authentication and more.
DNS Lookup
Look up A, AAAA, MX, TXT, NS, SOA, CNAME and CAA records for any domain.
DNS Propagation Checker
See whether a record has propagated across major public resolvers.
WHOIS / RDAP Lookup
Registration status, expiry and transfer-lock info for a domain.
Reverse DNS Lookup
Resolve the PTR (hostname) records for an IPv4 or IPv6 address.
Email Health Check
Check MX, SPF, DMARC and DKIM records for email deliverability.
DNSSEC Checker
Check whether a domain is DNSSEC-signed and validated.