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.

7 hosts · 320 ms

HostCertsFirst seenLast seenDNS
bananarepublicfactory.ca 4 2026-05-01 2026-08-26 ok
cloud.email.bananarepublicfactory.ca 3 2025-09-04 2026-08-22 ok
image.email.bananarepublicfactory.ca 3 2025-08-04 2026-07-13 ok
click.email.bananarepublicfactory.ca 3 2025-09-04 2026-08-22 ok
view.email.bananarepublicfactory.ca 3 2025-09-04 2026-08-24 ok
cp.bananarepublicfactory.ca 9 2026-04-09 2026-09-20 ok
www.bananarepublicfactory.ca 3 2026-05-01 2026-08-26 ok

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