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.

10 hosts · 315 ms

HostCertsFirst seenLast seenDNS
eqfund.org 5 2026-06-04 2026-10-02 ok
*.eqfund.org 5 2026-06-04 2026-10-02 —
api.eqfund.org 5 2026-05-29 2026-09-26 ok
borrowerportal.eqfund.org 3 2026-07-06 2026-09-04 ok
gh-mail.eqfund.org 5 2026-05-20 2026-09-17 ok
*.gh-mail.eqfund.org 5 2026-05-20 2026-09-17 —
oneden.eqfund.org 2 2026-08-05 2026-10-04 ok
app.eqfund.org 5 2026-05-29 2026-09-26 ok
effort.eqfund.org 5 2026-05-09 2026-09-06 ok
*.effort.eqfund.org 5 2026-05-09 2026-09-06 —

Programmatic access, with DNS A records: API GET /v1/hosts/eqfund.org (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/eqfund.org.