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.

27 hosts · 310 ms

HostCertsFirst seenLast seen
uesaz.com 26 2025-09-09 2026-09-29
*.uesaz.com 24 2026-04-17 2026-09-18
beta.uesaz.com 20 2026-04-27 2026-08-23
track.e.uesaz.com 5 2026-05-25 2026-09-22
track.outage.uesaz.com 5 2026-05-25 2026-09-22
track.online.uesaz.com 5 2026-05-25 2026-09-22
track.customer.uesaz.com 5 2026-05-25 2026-09-22
autodiscover.uesaz.com 1 2025-12-03 2025-12-03
docs.uesaz.com 16 2026-05-04 2026-08-30
track.comms.uesaz.com 5 2026-05-25 2026-09-22
apps.uesaz.com 2 2025-09-23 2026-10-01
qa2.apps.uesaz.com 2 2025-09-09 2026-10-01
test2.apps.uesaz.com 2 2025-09-09 2026-10-01
dev2.apps.uesaz.com 2 2025-09-09 2026-10-01
qa.apps.uesaz.com 2 2025-09-09 2026-10-01
nonprod.apps.uesaz.com 2 2025-09-09 2026-10-01
test.apps.uesaz.com 2 2025-09-09 2026-10-01
dev.apps.uesaz.com 2 2025-09-09 2026-10-01
account.uesaz.com 2 2025-09-23 2026-10-01
qa2.account.uesaz.com 2 2025-09-09 2026-10-01
test2.account.uesaz.com 2 2025-09-09 2026-10-01
dev2.account.uesaz.com 2 2025-09-09 2026-10-01
qa.account.uesaz.com 2 2025-09-09 2026-10-01
nonprod.account.uesaz.com 2 2025-09-09 2026-10-01
test.account.uesaz.com 2 2025-09-09 2026-10-01
dev.account.uesaz.com 2 2025-09-09 2026-10-01
www.uesaz.com 15 2025-09-09 2026-09-29

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