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 · 181 ms

HostCertsFirst seenLast seen
nextgen-india.in 3 2026-06-11 2026-08-11
*.nextgen-india.in 3 2026-06-11 2026-08-11
old.nextgen-india.in 4 2026-04-20 2026-08-20
www.old.nextgen-india.in 4 2026-04-20 2026-08-20
new.nextgen-india.in 5 2026-05-07 2026-09-06
www.new.nextgen-india.in 5 2026-05-07 2026-09-06

Programmatic access: API GET /v1/hosts/nextgen-india.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/nextgen-india.in.