Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

6 hosts · 262 ms

HostCertsFirst seenLast seenDNS
minipouce.fr 16 2026-04-09 2026-10-03 ok
*.minipouce.fr 14 2026-04-09 2026-10-03 —
media.minipouce.fr 2 2026-08-16 2026-08-16 ok
preview-static.minipouce.fr 2 2026-10-03 2026-10-03 ok
*.preview-static.minipouce.fr 2 2026-10-03 2026-10-03 —
croco.minipouce.fr 10 2026-05-12 2026-09-07 ok

Programmatic access, with DNS A records: API GET /v1/hosts/minipouce.fr (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/minipouce.fr.