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.

24 hosts · 241 ms

HostCertsFirst seenLast seen
resursbank.dk 6 2025-07-30 2026-09-09
*.resursbank.dk 5 2026-04-07 2026-09-09
id.resursbank.dk 5 2026-04-22 2026-09-01
maintenance.resursbank.dk 3 2026-06-18 2026-08-23
stage.resursbank.dk 2 2025-07-30 2026-07-31
onlinebank.resursbank.dk 6 2026-02-24 2026-09-16
corporatebank.resursbank.dk 5 2025-09-03 2026-10-08
merchant.corporatebank.resursbank.dk 1 2026-08-31 2026-08-31
gtm.resursbank.dk 4 2026-06-01 2026-09-17
id.integration.resursbank.dk 5 2026-05-02 2026-09-11
onlinebank.integration.resursbank.dk 5 2026-04-28 2026-09-07
deposit.integration.resursbank.dk 4 2026-04-19 2026-08-29
identify.integration.resursbank.dk 5 2026-05-03 2026-09-12
pointshop.resursbank.dk 1 2026-03-26 2026-03-26
www.pointshop.resursbank.dk 2 2026-03-26 2026-08-26
britishairways.resursbank.dk 2 2026-03-24 2026-03-24
www.britishairways.resursbank.dk 3 2026-03-24 2026-08-24
draft.resursbank.dk 2 2025-08-20 2026-07-31
stage.draft.resursbank.dk 2 2025-07-30 2026-07-31
deposit.resursbank.dk 4 2026-04-19 2026-08-29
deposit.dev.resursbank.dk 4 2026-04-16 2026-08-26
www.resursbank.dk 4 2025-07-30 2026-07-31
identify.resursbank.dk 5 2026-04-28 2026-09-07
apply.resursbank.dk 4 2026-04-21 2026-08-31

Programmatic access: API GET /v1/hosts/resursbank.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/resursbank.dk.