5 Services from dns-intel-api-production.up.railway.app

Discovers all known subdomains for an apex domain by querying Certificate Transparency logs (crt.sh), returning a de-duplicated, sorted list of up to 1000 results.

Resolves all common DNS record types (A, AAAA, MX, TXT, NS, SOA, CNAME) for a domain in a single API call

Performs a reverse-DNS lookup for a given IP address, returning its PTR record plus a best-effort list of other domains hosted on the same IP.

Fetches the live TLS certificate for a domain by performing a real handshake, returning issuer, subject, validity dates, days remaining, SANs, TLS version, and cipher suite.

Returns WHOIS registration data for a domain including registrar, creation/expiry/updated dates, nameservers, status, DNSSEC, and organisation.