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.

5 hosts · 284 ms

HostCertsFirst seenLast seenDNS
webmail.pnbmetlife.co.in 3 2025-09-15 2026-10-01 ok
www.webmail.pnbmetlife.co.in 3 2025-09-15 2026-10-01 nxdomain
url.pnbmetlife.co.in 4 2026-07-08 2026-09-06 ok
lnk.mails.pnbmetlife.co.in 1 2025-12-01 2025-12-01 ok
www.lnk.mails.pnbmetlife.co.in 1 2025-12-01 2025-12-01 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/pnbmetlife.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/pnbmetlife.co.in.