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 · 294 ms

HostCertsFirst seenLast seenDNS
pinkcherry.ca 32 2026-04-17 2026-10-02 ok
*.pinkcherry.ca 18 2026-04-17 2026-09-17 —
tbmbm-retail.pinkcherry.ca 5 2026-05-21 2026-09-19 ok
account.pinkcherry.ca 13 2026-05-08 2026-09-17 ok
www.pinkcherry.ca 15 2026-04-17 2026-09-28 ok

Programmatic access, with DNS A records: API GET /v1/hosts/pinkcherry.ca (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/pinkcherry.ca.