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.

3 hosts · 276 ms

HostCertsFirst seenLast seenDNS
fidelitynp.fidelity.co.in 1 2025-11-24 2025-11-24 ok
autodiscover.fidelity.co.in 2 2025-07-23 2025-07-23 nxdomain
www.fidelity.co.in 1 2025-10-15 2025-10-15 ok

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