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 · 579 ms

Download CSV
HostCertsFirst seenLast seen
automatenland.de 57 2026-04-22 2026-09-21
*.automatenland.de 23 2026-04-22 2026-09-21
staging.cloud.automatenland.de 10 2026-05-26 2026-09-21
mqtt.cloud.automatenland.de 2 2026-04-03 2026-09-03
firmware.automatenland.de 11 2026-06-08 2026-10-09
mein.automatenland.de 3 2026-07-13 2026-09-11
autogrill-icoupon.automatenland.de 11 2026-06-10 2026-10-07
odoo.automatenland.de 5 2026-05-15 2026-09-11
erp.automatenland.de 4 2026-05-11 2026-07-20
konfigurator.automatenland.de 10 2026-05-25 2026-09-20
at-konfigurator.automatenland.de 11 2026-04-22 2026-08-18
chat.automatenland.de 3 2026-07-22 2026-09-20
account.automatenland.de 5 2026-06-03 2026-10-02
www.automatenland.de 16 2026-05-11 2026-09-06
academy.automatenland.de 12 2026-04-26 2026-06-28

Programmatic access: API GET /v1/hosts/automatenland.de (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/automatenland.de.