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.

4 hosts · 304 ms

HostCertsFirst seenLast seenDNS
medivape.co.nz 17 2026-05-20 2026-09-29 ok
email.mg.medivape.co.nz 4 2026-04-10 2026-08-08 ok
email.mail.medivape.co.nz 4 2026-04-15 2026-08-13 ok
www.medivape.co.nz 16 2026-05-21 2026-09-30 ok

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