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 · 303 ms

HostCertsFirst seenLast seenDNS
mamaearth.com 13 2026-04-17 2026-09-27 ok
account.mamaearth.com 15 2026-04-11 2026-08-21 ok
www.mamaearth.com 16 2026-04-17 2026-09-28 ok

Programmatic access, with DNS A records: API GET /v1/hosts/mamaearth.com (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/mamaearth.com.