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.

3 hosts · 248 ms

HostCertsFirst seenLast seen
lakridsbybulow.at 16 2026-04-14 2026-10-01
*.lakridsbybulow.at 16 2026-04-14 2026-10-01
link.lakridsbybulow.at 1 2026-08-13 2026-08-13

Programmatic access: API GET /v1/hosts/lakridsbybulow.at (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/lakridsbybulow.at.