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.

5 hosts · 248 ms

Download CSV
HostCertsFirst seenLast seen
wbtguns.com 9 2026-06-04 2026-09-30
link.wbtguns.com 12 2026-05-07 2026-07-05
shop.wbtguns.com 3 2025-10-12 2026-08-24
www.wbtguns.com 7 2026-06-04 2026-09-30
pay.wbtguns.com 2 2026-09-11 2026-09-11

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