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.

6 hosts · 221 ms

HostCertsFirst seenLast seen
dance-bit.com 32 2025-06-19 2026-09-18
*.dance-bit.com 30 2025-08-20 2026-09-18
share.dance-bit.com 5 2026-05-19 2026-09-12
account.dance-bit.com 13 2025-06-27 2026-09-02
support.dance-bit.com 5 2026-05-15 2026-09-12
next.dance-bit.com 5 2026-05-23 2026-09-26

Programmatic access: API GET /v1/hosts/dance-bit.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/dance-bit.com.