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.

14 hosts · 290 ms

HostCertsFirst seenLast seenDNS
bhfcu.com 6 2025-07-11 2026-07-25 ok
*.bhfcu.com 5 2025-07-11 2026-07-25 —
online.bhfcu.com 11 2025-10-06 2026-08-21 ok
www.online.bhfcu.com 1 2025-10-06 2025-10-06 nxdomain
branch-portal.bhfcu.com 4 2026-07-09 2026-09-06 ok
mgr.bhfcu.com 1 2026-01-16 2026-01-16 ok
loans.bhfcu.com 10 2026-05-02 2026-08-28 ok
accounts.bhfcu.com 11 2026-05-30 2026-09-26 ok
chat.bhfcu.com 8 2026-04-21 2026-08-17 ok
cloud.connect.bhfcu.com 3 2025-09-27 2026-09-16 ok
image.connect.bhfcu.com 4 2025-12-07 2026-01-06 ok
click.connect.bhfcu.com 4 2025-09-22 2026-09-14 ok
view.connect.bhfcu.com 2 2025-11-17 2025-11-17 ok
www.bhfcu.com 1 2026-01-16 2026-01-16 ok

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