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 · 295 ms

HostCertsFirst seenLast seenDNS
pullbear.com 5 2026-05-11 2026-09-09 ok
discoverReceiver.pullbear.com 2 2025-12-17 2025-12-17 —
ir.pullbear.com 5 2026-05-27 2026-09-24 ok
discoverReceiver.ext.pullbear.com 2 2025-12-17 2025-12-17 —
www.pullbear.com 5 2026-05-11 2026-09-09 ok

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