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.

24 hosts · 197 ms

HostCertsFirst seenLast seen
allaoui.de 21 2026-04-27 2026-10-03
*.allaoui.de 10 2026-04-27 2026-10-03
umx-pma.allaoui.de 5 2026-04-29 2026-08-27
uptime.allaoui.de 5 2026-05-10 2026-09-06
bgl.allaoui.de 5 2026-05-25 2026-09-23
mm.allaoui.de 6 2026-04-13 2026-09-03
cdn.allaoui.de 2 2025-09-04 2026-08-05
sales.allaoui.de 4 2026-04-17 2026-08-16
deals.allaoui.de 9 2026-05-26 2026-09-21
oa.experiments.allaoui.de 7 2026-05-04 2026-09-02
pma.oa.experiments.allaoui.de 7 2026-05-04 2026-09-03
vite.oa.experiments.allaoui.de 7 2026-05-04 2026-09-03
ws.oa.experiments.allaoui.de 7 2026-05-04 2026-09-02
mp.experiments.allaoui.de 7 2026-05-01 2026-09-03
pma.mp.experiments.allaoui.de 7 2026-05-01 2026-09-03
vite.mp.experiments.allaoui.de 7 2026-05-01 2026-09-03
ws.mp.experiments.allaoui.de 7 2026-05-01 2026-09-03
ar.experiments.allaoui.de 7 2026-05-04 2026-09-03
pma.ar.experiments.allaoui.de 7 2026-05-04 2026-09-03
vite.ar.experiments.allaoui.de 7 2026-05-04 2026-09-03
ws.ar.experiments.allaoui.de 7 2026-05-04 2026-09-03
dev.allaoui.de 5 2026-04-30 2026-08-29
cdn.dev.allaoui.de 2 2025-09-04 2026-08-05
www.allaoui.de 10 2026-05-02 2026-09-06

Programmatic access: API GET /v1/hosts/allaoui.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/allaoui.de.