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.

11 hosts · 289 ms

HostCertsFirst seenLast seenDNS
escortradar.com 13 2026-05-16 2026-09-24 ok
ca.escortradar.com 18 2026-05-20 2026-09-28 ok
affiliate.escortradar.com 2 2026-08-05 2026-10-05 ok
click.escortradar.com 8 2026-05-03 2026-08-30 ok
enter.escortradar.com 18 2026-05-27 2026-09-26 ok
ss.escortradar.com 5 2026-05-20 2026-09-17 ok
load.ss.escortradar.com 6 2026-05-03 2026-08-29 ok
support.escortradar.com 13 2026-05-22 2026-09-17 ok
eu.escortradar.com 20 2026-05-20 2026-10-01 ok
www.escortradar.com 15 2026-05-16 2026-09-18 ok
anz.escortradar.com 14 2026-05-21 2026-09-28 ok

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