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.

6 hosts · 179 ms

HostCertsFirst seenLast seen
openaccount-7bk.com 1 2025-12-10 2025-12-10
*.openaccount-7bk.com 1 2025-12-10 2025-12-10
pr7ceekycentryje.openaccount-7bk.com 3 2026-02-22 2026-10-06
www-stg.openaccount-7bk.com 1 2025-10-07 2025-10-07
prbbfkouzaadebis.openaccount-7bk.com 2 2025-07-06 2026-06-05
www.openaccount-7bk.com 1 2025-10-07 2025-10-07

Programmatic access: API GET /v1/hosts/openaccount-7bk.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/openaccount-7bk.com.