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.

8 hosts · 174 ms

HostCertsFirst seenLast seen
kaneka.be 7 2026-03-16 2026-09-04
*.kaneka.be 2 2026-03-16 2026-08-30
sentry2.kaneka.be 5 2026-04-28 2026-08-26
signature-generator.kaneka.be 5 2026-04-28 2026-08-26
jobs.kaneka.be 3 2026-06-07 2026-08-29
extranet.kaneka.be 5 2026-04-28 2026-08-26
fugu.kaneka.be 5 2026-04-28 2026-08-26
www.kaneka.be 5 2026-05-07 2026-09-04

Programmatic access: API GET /v1/hosts/kaneka.be (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/kaneka.be.