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.

2 hosts · 209 ms

HostCertsFirst seenLast seen
uti.co.in 2 2025-07-05 2026-07-16
*.uti.co.in 2 2025-07-05 2026-07-16

Programmatic access: API GET /v1/hosts/uti.co.in (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/uti.co.in.