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.

3 hosts · 174 ms

Download CSV
HostCertsFirst seenLast seen
teamviewer.eu 5 2026-05-08 2026-09-05
partnerportal.teamviewer.eu 3 2025-10-15 2026-09-15
www.teamviewer.eu 5 2026-05-08 2026-09-05

Programmatic access: API GET /v1/hosts/teamviewer.eu (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/teamviewer.eu.