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.

14 hosts · 273 ms

HostCertsFirst seenLast seenDNS
employeurd.com 11 2026-03-17 2026-10-02 ok
horaire.employeurd.com 4 2026-02-25 2026-09-25 ok
scheduling.employeurd.com 4 2026-02-25 2026-09-25 ok
punch.employeurd.com 4 2026-02-25 2026-09-25 ok
solutions-rh.employeurd.com 4 2026-02-25 2026-09-25 ok
demo-solutions-rh.employeurd.com 4 2026-02-25 2026-09-25 ok
www.demo-solutions-rh.employeurd.com 2 2026-02-25 2026-03-02 nxdomain
www.solutions-rh.employeurd.com 1 2026-02-25 2026-02-25 nxdomain
auth.employeurd.com 4 2025-11-05 2026-09-25 ok
api.employeurd.com 4 2025-11-05 2026-09-25 ok
integration.employeurd.com 3 2026-03-02 2026-09-25 ok
demo.employeurd.com 3 2026-03-02 2026-09-25 ok
dev.employeurd.com 4 2025-11-05 2026-09-25 ok
www.employeurd.com 7 2026-03-17 2026-10-02 ok

Programmatic access, with DNS A records: API GET /v1/hosts/employeurd.com (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/employeurd.com.