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.

18 hosts · 219 ms

HostCertsFirst seenLast seen
fenwick.com.au 23 2026-05-01 2026-09-24
*.fenwick.com.au 12 2026-05-29 2026-09-24
mobilewaste.fenwick.com.au 4 2026-04-07 2026-08-16
easydispatch.fenwick.com.au 2 2026-01-12 2026-05-30
portal.fenwick.com.au 22 2026-04-17 2026-08-24
*.portal.fenwick.com.au 18 2026-04-17 2026-08-24
ops.portal.fenwick.com.au 1 2025-12-25 2025-12-25
ops-sandbox.portal.fenwick.com.au 1 2026-01-19 2026-01-19
productionscheduler.fenwick.com.au 2 2026-01-12 2026-05-30
tools.fenwick.com.au 2 2026-03-04 2026-07-17
mta-sts.fenwick.com.au 11 2026-05-01 2026-08-27
*.mta-sts.fenwick.com.au 11 2026-05-01 2026-08-27
status.fenwick.com.au 5 2026-04-29 2026-08-26
timesheet.fenwick.com.au 2 2026-05-11 2026-09-22
payit.fenwick.com.au 9 2026-04-21 2026-08-17
support.fenwick.com.au 5 2026-06-01 2026-09-29
okta-dev-test.fenwick.com.au 8 2026-05-07 2026-09-08
pay.fenwick.com.au 8 2026-07-06 2026-09-06

Programmatic access: API GET /v1/hosts/fenwick.com.au (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/fenwick.com.au.