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.

6 hosts · 341 ms

HostCertsFirst seenLast seen
curagers.com 19 2025-11-08 2026-09-30
*.curagers.com 5 2026-05-03 2026-09-30
smart.curagers.com 5 2026-05-31 2026-09-28
www.curagers.com 11 2025-11-08 2026-08-30
pay.curagers.com 1 2025-11-09 2025-11-09
www.pay.curagers.com 1 2025-11-09 2025-11-09

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