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.

14 hosts · 211 ms

HostCertsFirst seenLast seen
ug-inc.net 2 2026-03-30 2026-08-30
gaudi-bcp-pma02.ug-inc.net 1 2026-07-17 2026-07-17
bcp-member02.ug-inc.net 2 2026-07-17 2026-07-17
gaudi-bcp-pma.ug-inc.net 1 2026-06-10 2026-06-10
download.ug-inc.net 2 2025-07-05 2026-06-05
kikzo.ug-inc.net 4 2025-08-22 2026-09-14
dev.kikzo.ug-inc.net 5 2026-04-28 2026-08-26
member.ug-inc.net 1 2026-02-17 2026-02-17
stg-member.ug-inc.net 1 2026-02-17 2026-02-17
bcp-member.ug-inc.net 2 2026-06-10 2026-06-21
dev-member.ug-inc.net 1 2026-01-22 2026-01-22
dev.ug-inc.net 2 2025-10-06 2026-09-06
www.ug-inc.net 2 2026-03-30 2026-08-30
security.ug-inc.net 2 2026-06-09 2026-06-09

Programmatic access: API GET /v1/hosts/ug-inc.net (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/ug-inc.net.