Find every subdomain
of a domain.

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

4 hosts · 246 ms

HostCertsFirst seenLast seen
demayolaw.com 18 2026-05-19 2026-09-14
justice.demayolaw.com 20 2026-05-14 2026-09-09
inquire.demayolaw.com 20 2026-05-25 2026-09-20
www.demayolaw.com 12 2026-05-18 2026-09-13

Programmatic access: API GET /v1/hosts/demayolaw.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/demayolaw.com.