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.

4 hosts · 247 ms

HostCertsFirst seenLast seenDNS
clamortgageadvisory.com 24 2026-04-13 2026-09-22 ok
*.clamortgageadvisory.com 24 2026-04-13 2026-09-22 —
dashboard-qa.clamortgageadvisory.com 2 2025-09-04 2026-09-01 ok
dashboard.clamortgageadvisory.com 2 2025-09-04 2026-09-01 ok

Programmatic access, with DNS A records: API GET /v1/hosts/clamortgageadvisory.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/clamortgageadvisory.com.