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.

15 hosts · 246 ms

HostCertsFirst seenLast seen
domain.hu 7 2026-04-29 2026-08-04
*.domain.hu 5 2026-05-08 2026-09-26
www-2022.domain.hu 7 2026-04-29 2026-08-04
intra.domain.hu 4 2026-04-15 2026-08-13
vita.domain.hu 5 2026-05-26 2026-09-23
dispute.domain.hu 5 2026-06-08 2026-10-06
portal.domain.hu 5 2026-04-29 2026-08-27
info.domain.hu 7 2026-05-04 2026-09-27
karrier.domain.hu 5 2026-05-04 2026-09-01
panaszkezeles.domain.hu 5 2026-06-08 2026-10-06
vitarendezes.domain.hu 5 2026-06-08 2026-10-06
status.domain.hu 5 2026-06-09 2026-10-06
kapcsolat.domain.hu 4 2026-04-19 2026-08-17
start.domain.hu 7 2026-04-29 2026-08-04
www.domain.hu 7 2026-04-29 2026-08-04

Programmatic access: API GET /v1/hosts/domain.hu (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/domain.hu.