DNS records & domain policy

Explore public DNS records, DNSSEC evidence, domain names, CAA and cache lifetimes.

Choose your next check

5 focused tools. Choose a module and follow the evidence.

Query A, AAAA, MX, TXT, CAA and other DNS records with TTLs and resolver status.

Read a validating resolver’s AD flag and inspect DS, DNSKEY and signed answer records.

Inspect ASCII domain labels, IDN conversion and hostname length without performing a DNS lookup.

Inspect CAA flags, issuer authorisations and reporting properties from pasted record values.

Convert a TTL in seconds to readable units and an illustrative cache expiry time.