Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

17 hosts · 256 ms

HostCertsFirst seenLast seen
kingsbarn.com 4 2026-02-19 2026-10-03
mobile.kingsbarn.com 3 2026-02-18 2026-10-02
teamportal.kingsbarn.com 2 2026-07-14 2026-07-14
admin.kingsbarn.com 3 2026-02-18 2026-10-02
vpn.kingsbarn.com 1 2026-02-11 2026-02-11
www.vpn.kingsbarn.com 1 2026-02-11 2026-02-11
tp.kingsbarn.com 2 2026-07-14 2026-07-14
docs.kingsbarn.com 2 2026-05-21 2026-10-03
docvault-docs.kingsbarn.com 3 2026-05-14 2026-09-28
assets.kingsbarn.com 3 2026-05-15 2026-09-29
docvault.kingsbarn.com 3 2026-02-18 2026-10-02
development.kingsbarn.com 3 2026-06-16 2026-08-16
webdisk.development.kingsbarn.com 3 2026-06-16 2026-08-16
cpanel.development.kingsbarn.com 3 2026-06-16 2026-08-16
mail.development.kingsbarn.com 3 2026-06-16 2026-08-16
www.development.kingsbarn.com 3 2026-06-16 2026-08-16
www.kingsbarn.com 3 2026-02-21 2026-10-05

Programmatic access: API GET /v1/hosts/kingsbarn.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/kingsbarn.com.