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 · 217 ms

HostCertsFirst seenLast seen
kapital.no 7 2026-02-12 2026-09-30
*.kapital.no 6 2026-04-25 2026-09-30
qa.kapital.no 12 2025-07-10 2026-09-15
*.qa.kapital.no 5 2026-04-25 2026-08-23
annonseweb.kapital.no 5 2026-05-08 2026-09-04
dev-static.kapital.no 1 2026-09-21 2026-09-21
*.prod.kapital.no 5 2026-04-25 2026-08-23
dev-origin.kapital.no 2 2026-09-17 2026-09-21
dev-ws.kapital.no 1 2026-09-21 2026-09-21
dev.kapital.no 11 2025-11-03 2026-09-17
*.dev.kapital.no 5 2026-04-25 2026-08-23
www.kapital.no 14 2026-04-20 2026-09-20
dev-imaginary.kapital.no 1 2026-09-21 2026-09-21

Programmatic access: API GET /v1/hosts/kapital.no (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/kapital.no.