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.

13 hosts · 249 ms

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HostCertsFirst seenLast seen
sportsgirl.com.au 17 2025-11-10 2026-08-30
*.sportsgirl.com.au 15 2026-05-04 2026-08-30
mcstaging2.sportsgirl.com.au 5 2026-06-15 2026-09-27
mcprod.sportsgirl.com.au 2 2025-11-10 2025-11-10
image.sportsgirl.com.au 16 2026-05-03 2026-09-19
metrics-staging.sportsgirl.com.au 3 2026-05-09 2026-08-26
mcstaging.sportsgirl.com.au 4 2025-07-04 2026-07-29
sst.mcstaging.sportsgirl.com.au 4 2026-06-17 2026-10-15
link.sportsgirl.com.au 13 2026-05-11 2026-09-18
help.sportsgirl.com.au 5 2026-05-12 2026-09-09
careers.sportsgirl.com.au 1 2026-05-18 2026-05-18
sst.sportsgirl.com.au 4 2026-06-17 2026-10-15
www.sportsgirl.com.au 2 2025-11-10 2025-11-10

Programmatic access: API GET /v1/hosts/sportsgirl.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/sportsgirl.com.au.