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.

4 hosts · 228 ms

HostCertsFirst seenLast seen
liito.it 9 2026-04-13 2026-10-03
*.liito.it 8 2026-05-22 2026-10-03
link.liito.it 3 2026-04-20 2026-08-31
www.liito.it 1 2026-04-13 2026-04-13

Programmatic access: API GET /v1/hosts/liito.it (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/liito.it.