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.

8 hosts · 359 ms

HostCertsFirst seenLast seenDNS
digitanimal.com 5 2026-05-15 2026-09-14 ok
*.digitanimal.com 5 2026-05-15 2026-09-14 —
kit-consulting.digitanimal.com 5 2026-05-29 2026-09-28 ok
www.kit-consulting.digitanimal.com 5 2026-05-29 2026-09-28 ok
kit-digital.digitanimal.com 5 2026-05-23 2026-09-22 ok
www.kit-digital.digitanimal.com 5 2026-05-23 2026-09-22 ok
tools.digitanimal.com 2 2026-08-19 2026-09-01 ok
www.tools.digitanimal.com 1 2026-08-19 2026-08-19 ok

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