Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

3 hosts · 313 ms

HostCertsFirst seenLast seenDNS
vaibhavglobal.com 21 2026-04-20 2026-09-20 ok
*.vaibhavglobal.com 16 2026-04-22 2026-09-20 —
www.vaibhavglobal.com 5 2026-04-20 2026-08-20 ok

Programmatic access, with DNS A records: API GET /v1/hosts/vaibhavglobal.com (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/vaibhavglobal.com.