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.

9 hosts · 294 ms

HostCertsFirst seenLast seenDNS
adamandeve.com 5 2026-05-08 2026-09-17 ok
ca.deal.adamandeve.com 1 2025-06-27 2025-06-27 ok
e.deal.adamandeve.com 1 2025-06-27 2025-06-27 ok
www.e.deal.adamandeve.com 1 2025-06-27 2025-06-27 nxdomain
images.deal.adamandeve.com 1 2025-06-27 2025-06-27 nodata
view.deal.adamandeve.com 1 2025-06-27 2025-06-27 ok
www.view.deal.adamandeve.com 1 2025-06-27 2025-06-27 nxdomain
links.adamandeve.com 1 2026-06-24 2026-06-24 ok
www.adamandeve.com 5 2026-05-08 2026-09-17 ok

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