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.

22 hosts · 280 ms

HostCertsFirst seenLast seenDNS
fairment.de 14 2026-04-08 2026-10-06 ok
*.fairment.de 2 2026-04-08 2026-10-06 —
589856462.fairment.de 8 2026-04-24 2026-08-21 ok
data.fairment.de 4 2026-04-17 2026-09-28 ok
akademie.fairment.de 5 2026-04-27 2026-08-26 ok
stage.akademie.fairment.de 4 2026-04-20 2026-08-19 ok
mable.fairment.de 5 2026-05-30 2026-09-27 ok
secure.fairment.de 2 2026-09-08 2026-09-08 ok
affiliate.fairment.de 1 2026-08-26 2026-08-26 ok
lilg.fairment.de 1 2026-09-14 2026-09-14 ok
frm.fairment.de 5 2026-05-18 2026-09-15 ok
load.frm.fairment.de 6 2026-05-18 2026-09-13 ok
munin.fairment.de 4 2026-06-06 2026-10-05 ok
aktion.fairment.de 5 2026-04-27 2026-08-25 ok
3543620406.aktion.fairment.de 11 2026-04-10 2026-10-04 ok
bonjoro.fairment.de 5 2026-05-14 2026-09-11 ok
goto.fairment.de 5 2026-06-06 2026-10-03 ok
shop.fairment.de 12 2026-05-16 2026-09-27 ok
biomhacker.fairment.de 3 2026-06-20 2026-08-20 ok
support.fairment.de 14 2026-05-15 2026-09-10 ok
www.fairment.de 5 2026-05-14 2026-09-12 ok
deploy.fairment.de 4 2026-06-06 2026-10-05 ok

Programmatic access, with DNS A records: API GET /v1/hosts/fairment.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/fairment.de.