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.

5 hosts · 274 ms

HostCertsFirst seenLast seenDNS
theconsciousbar.co 15 2026-04-10 2026-09-24 ok
*.theconsciousbar.co 2 2026-09-07 2026-09-09 —
shop.theconsciousbar.co 1 2026-09-05 2026-09-05 ok
ss.theconsciousbar.co 4 2026-05-31 2026-07-30 ok
www.theconsciousbar.co 16 2026-05-23 2026-09-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/theconsciousbar.co (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/theconsciousbar.co.