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.

10 hosts · 336 ms

HostCertsFirst seenLast seenDNS
stardice.be 5 2026-04-27 2026-09-27 ok
*.stardice.be 5 2026-04-27 2026-09-27 —
stg.stardice.be 4 2026-04-27 2026-09-27 ok
*.stg.stardice.be 4 2026-04-27 2026-09-27 —
auth.stg.stardice.be 2 2026-09-30 2026-09-30 ok
auth.stardice.be 4 2026-10-01 2026-10-01 ok
ppr.stardice.be 5 2026-04-27 2026-09-27 ok
dev.stardice.be 5 2026-04-27 2026-09-27 ok
*.dev.stardice.be 5 2026-04-27 2026-09-27 —
auth.dev.stardice.be 2 2026-09-02 2026-09-02 ok

Programmatic access, with DNS A records: API GET /v1/hosts/stardice.be (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/stardice.be.