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.

12 hosts · 266 ms

HostCertsFirst seenLast seenDNS
pryorcashman.com 16 2026-04-16 2026-09-30 ok
3eprintsvc.pryorcashman.com 6 2025-07-09 2026-09-18 nxdomain
pccloud.pryorcashman.com 4 2026-04-12 2026-08-10 ok
remote.pryorcashman.com 2 2026-04-17 2026-04-17 ok
www.remote.pryorcashman.com 2 2026-04-17 2026-04-17 nxdomain
mail.pryorcashman.com 6 2025-11-08 2025-11-08 nxdomain
webmail.pryorcashman.com 6 2025-11-08 2025-11-08 ok
vpn.pryorcashman.com 2 2026-06-01 2026-06-01 ok
www.vpn.pryorcashman.com 2 2026-06-01 2026-06-01 nxdomain
autodiscover.pryorcashman.com 6 2025-11-08 2025-11-08 ok
3eprintsvc-dev.pryorcashman.com 4 2025-07-09 2026-07-22 nxdomain
www.pryorcashman.com 20 2026-04-15 2026-10-01 ok

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