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.

19 hosts · 286 ms

HostCertsFirst seenLast seen
freeagent.com 9 2025-09-21 2026-09-02
*.freeagent.com 4 2025-09-21 2026-08-22
asset0.freeagent.com 2 2025-08-14 2026-07-14
freestyle.freeagent.com 5 2026-05-26 2026-09-23
trustcentre.freeagent.com 18 2026-05-07 2026-09-02
engineering.freeagent.com 10 2026-06-07 2026-10-04
www.engineering.freeagent.com 9 2026-06-07 2026-10-03
careers.freeagent.com 2 2026-03-17 2026-08-17
api-discuss.freeagent.com 40 2026-04-11 2026-10-05
assets.freeagent.com 2 2025-09-16 2026-08-16
status.freeagent.com 5 2026-05-31 2026-09-27
support.freeagent.com 5 2026-05-03 2026-08-31
www.freeagent.com 5 2026-05-06 2026-09-02
sandbox.freeagent.com 3 2025-11-08 2026-10-08
*.sandbox.freeagent.com 3 2025-11-08 2026-10-08
cloud.biz.freeagent.com 2 2025-08-13 2026-08-03
image.biz.freeagent.com 5 2025-07-31 2026-09-09
click.biz.freeagent.com 2 2025-08-13 2026-08-03
view.biz.freeagent.com 2 2025-08-14 2026-08-01

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