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.

7 hosts · 252 ms

HostCertsFirst seenLast seen
tervene.com 17 2026-04-13 2026-10-05
*.tervene.com 4 2026-04-13 2026-09-28
staging.tervene.com 5 2026-04-11 2026-08-22
go.tervene.com 18 2026-04-30 2026-08-26
meetings.tervene.com 20 2026-05-21 2026-09-16
success.tervene.com 8 2026-05-26 2026-09-21
www.tervene.com 19 2026-06-09 2026-10-05

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