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 · 229 ms

HostCertsFirst seenLast seen
soderbergpartners.dk 13 2026-01-13 2026-09-20
*.soderbergpartners.dk 1 2026-01-13 2026-01-13
www-prod2.soderbergpartners.dk 9 2026-05-23 2026-09-18
www-pre2.soderbergpartners.dk 10 2026-05-23 2026-09-18
www-inte2.soderbergpartners.dk 9 2026-05-24 2026-09-19
www-prod3.soderbergpartners.dk 20 2026-06-06 2026-10-03
www-inte3.soderbergpartners.dk 18 2026-05-31 2026-09-26
www-prep3.soderbergpartners.dk 14 2026-05-30 2026-09-25
optimum.soderbergpartners.dk 1 2026-05-12 2026-05-12
advisernotes.soderbergpartners.dk 1 2026-07-08 2026-07-08
greenlight.soderbergpartners.dk 12 2026-04-28 2026-08-25
advisernotes-test.soderbergpartners.dk 1 2026-07-08 2026-07-08
www.soderbergpartners.dk 12 2026-04-28 2026-08-25

Programmatic access: API GET /v1/hosts/soderbergpartners.dk (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/soderbergpartners.dk.