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.

12 hosts · 332 ms

HostCertsFirst seenLast seenDNS
sapiosciences.com 23 2025-10-07 2026-09-06 ok
*.sapiosciences.com 5 2025-10-07 2026-09-06 —
office.sapiosciences.com 3 2026-05-15 2026-08-06 ok
ecsoffice.sapiosciences.com 2 2025-09-10 2026-08-11 ok
partnerportal.sapiosciences.com 8 2026-04-19 2026-08-16 ok
scm.sapiosciences.com 3 2026-05-15 2026-08-06 ok
sapiocon.sapiosciences.com 2 2026-09-23 2026-09-23 ok
*.tot-kubernetes.sapiosciences.com 9 2026-05-08 2026-10-01 —
jenkins-controller.tools.sapiosciences.com 2 2026-04-27 2026-09-27 ok
aitools.sapiosciences.com 6 2026-04-14 2026-09-11 ok
*.grpc-tots.sapiosciences.com 10 2026-04-19 2026-10-01 —
www.sapiosciences.com 10 2026-05-02 2026-08-28 ok

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