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.

22 hosts · 230 ms

HostCertsFirst seenLast seen
ornua.com 18 2026-05-02 2026-10-04
*.ornua.com 18 2026-05-02 2026-10-04
shrdvcenter01.ornua.com 1 2025-09-30 2025-09-30
www.shrdvcenter01.ornua.com 1 2025-09-30 2025-09-30
drvcenter01.ornua.com 1 2025-09-30 2025-09-30
www.drvcenter01.ornua.com 1 2025-09-30 2025-09-30
bec.ornua.com 1 2026-05-12 2026-05-12
www.bec.ornua.com 1 2026-05-12 2026-05-12
servicedesk.ornua.com 5 2026-05-10 2026-09-07
travel.ornua.com 4 2026-02-03 2026-09-18
techhelp.ornua.com 5 2026-05-10 2026-09-07
besucher.ornua.com 2 2025-07-30 2026-08-04
www.besucher.ornua.com 2 2025-07-30 2026-08-04
careers.ornua.com 1 2026-05-08 2026-05-08
www.careers.ornua.com 1 2026-05-08 2026-05-08
mta-sts.ornua.com 1 2025-11-23 2025-11-23
servicedesktest.ornua.com 5 2026-05-28 2026-09-25
techhelptest.ornua.com 5 2026-05-28 2026-09-25
bectst.ornua.com 1 2026-05-01 2026-05-01
www.bectst.ornua.com 1 2026-05-01 2026-05-01
sustainability.ornua.com 1 2026-03-24 2026-03-24
www.sustainability.ornua.com 1 2026-03-24 2026-03-24

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