Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

6 hosts · 312 ms

HostCertsFirst seenLast seenDNS
tmb.bank.in 5 2025-10-03 2026-09-26 ok
*.tmb.bank.in 3 2025-10-27 2026-09-26 —
vkyc.tmb.bank.in 1 2026-09-10 2026-09-10 nxdomain
www.vkyc.tmb.bank.in 1 2026-09-10 2026-09-10 nxdomain
mail.tmb.bank.in 17 2026-06-08 2026-08-17 ok
www.tmb.bank.in 2 2025-10-03 2026-09-22 ok

Programmatic access, with DNS A records: API GET /v1/hosts/tmb.bank.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/tmb.bank.in.