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.

27 hosts · 299 ms

HostCertsFirst seenLast seen
freeletics.com 8 2025-09-01 2026-08-14
*.freeletics.com 8 2025-09-01 2026-08-14
qa.freeletics.com 2 2026-03-02 2026-07-18
*.qa.freeletics.com 2 2026-03-02 2026-07-18
web.freeletics.com 1 2026-02-02 2026-02-02
ablink.service.freeletics.com 2 2025-09-03 2026-08-03
teleport.auth.freeletics.com 2 2025-09-24 2026-08-25
*.teleport.auth.freeletics.com 2 2025-09-24 2026-08-25
ablink.email.freeletics.com 2 2025-09-03 2026-08-03
forum.freeletics.com 5 2026-04-26 2026-08-24
help.freeletics.com 5 2026-05-20 2026-09-17
app.freeletics.com 1 2026-02-02 2026-02-02
email.user.freeletics.com 4 2026-04-23 2026-06-22
prod.eks.freeletics.com 1 2026-01-27 2026-01-27
*.prod.eks.freeletics.com 1 2026-01-27 2026-01-27
int.eks.freeletics.com 1 2026-01-27 2026-01-27
*.int.eks.freeletics.com 1 2026-01-27 2026-01-27
apks.freeletics.com 1 2025-12-10 2025-12-10
nutrition-os.freeletics.com 4 2026-05-03 2026-07-31
atlantis.ops.freeletics.com 2 2026-04-30 2026-09-30
agents.freeletics.com 1 2026-07-07 2026-07-07
*.agents.freeletics.com 1 2026-07-07 2026-07-07
ablink.news.freeletics.com 1 2026-01-13 2026-01-13
ct.freeletics.com 1 2026-02-18 2026-02-18
*.int.freeletics.com 3 2025-09-30 2026-08-30
btest.freeletics.com 1 2026-02-17 2026-02-17
ctest.freeletics.com 1 2026-02-11 2026-02-11

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