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.

11 hosts · 179 ms

HostCertsFirst seenLast seen
lampemesteren.dk 5 2026-05-21 2026-09-18
xtg.lampemesteren.dk 13 2026-04-18 2026-08-14
gtm.lampemesteren.dk 5 2026-05-05 2026-09-02
on.lampemesteren.dk 5 2026-05-04 2026-09-01
parcel-api.info.lampemesteren.dk 10 2026-05-03 2026-08-29
parcel-cdn.info.lampemesteren.dk 12 2026-05-03 2026-08-29
link.shop.lampemesteren.dk 5 2026-05-02 2026-08-30
support.lampemesteren.dk 10 2026-04-28 2026-08-24
www.lampemesteren.dk 5 2026-05-21 2026-09-18
cookie.www.lampemesteren.dk 1 2026-01-23 2026-01-23
link.reply.lampemesteren.dk 5 2026-05-02 2026-08-30

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