Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

6 hosts · 172 ms

HostCertsFirst seenLast seen
kbic.com 27 2025-12-22 2026-09-20
*.kbic.com 8 2026-05-25 2026-09-20
osrportal.kbic.com 1 2026-02-17 2026-02-17
sslvpn.kbic.com 1 2026-02-17 2026-02-17
secrets.kbic.com 4 2026-06-07 2026-10-04
www.kbic.com 15 2025-12-22 2026-08-30

Programmatic access: API GET /v1/hosts/kbic.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/kbic.com.