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.

11 hosts · 353 ms

HostCertsFirst seenLast seenDNS
churchfieldhomeservices.ie 2 2025-08-28 2025-11-24 ok
*.churchfieldhomeservices.ie 3 2025-08-28 2025-11-24 —
chsdocuseal.churchfieldhomeservices.ie 3 2026-07-08 2026-09-06 ok
mail.churchfieldhomeservices.ie 1 2026-04-06 2026-04-06 ok
mdm.churchfieldhomeservices.ie 5 2026-05-29 2026-09-25 ok
npm.churchfieldhomeservices.ie 1 2026-09-22 2026-09-22 ok
autodiscover.churchfieldhomeservices.ie 1 2026-04-06 2026-04-06 ok
sharepoint.churchfieldhomeservices.ie 5 2026-05-29 2026-09-17 ok
support.churchfieldhomeservices.ie 1 2026-09-17 2026-09-17 ok
www.churchfieldhomeservices.ie 1 2025-11-24 2025-11-24 ok
trainingacademy.churchfieldhomeservices.ie 5 2026-05-16 2026-09-11 ok

Programmatic access, with DNS A records: API GET /v1/hosts/churchfieldhomeservices.ie (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/churchfieldhomeservices.ie.