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 · 323 ms

HostCertsFirst seenLast seenDNS
e-vanguard.com.au 1 2026-08-05 2026-08-05 ok
image.e-vanguard.com.au 3 2026-01-21 2026-05-19 ok
click.e-vanguard.com.au 3 2026-03-06 2026-08-10 ok
view.e-vanguard.com.au 3 2026-03-06 2026-08-10 ok

Programmatic access, with DNS A records: API GET /v1/hosts/e-vanguard.com.au (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/e-vanguard.com.au.