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.

8 hosts · 313 ms

HostCertsFirst seenLast seenDNS
minne.com 6 2025-07-02 2026-07-22 ok
*.minne.com 6 2025-07-02 2026-07-22 —
note.minne.com 3 2026-05-29 2026-09-26 ok
staging.minne.com 1 2026-01-14 2026-01-14 ok
*.staging.minne.com 1 2026-01-14 2026-01-14 —
*.shop.staging.minne.com 2 2026-09-09 2026-09-09 —
help.minne.com 8 2026-05-08 2026-08-20 ok
*.shop.minne.com 4 2026-09-15 2026-09-15 —

Programmatic access, with DNS A records: API GET /v1/hosts/minne.com (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/minne.com.