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.

19 hosts · 602 ms

HostCertsFirst seenLast seenDNS
powerus.de 28 2026-04-14 2026-08-14 ok
*.powerus.de 28 2026-04-14 2026-08-14 —
webflow-b2b.powerus.de 10 2026-05-10 2026-09-06 ok
hilfe.powerus.de 8 2026-05-21 2026-09-16 ok
*.staging.powerus.de 8 2026-04-15 2026-08-12 —
storybook.powerus.de 5 2026-05-02 2026-08-30 ok
www.storybook.powerus.de 4 2026-04-30 2026-09-04 ok
*.local.powerus.de 11 2026-04-27 2026-08-23 —
cdn.powerus.de 5 2026-07-30 2026-09-27 ok
clicks.info.powerus.de 8 2026-04-15 2026-08-11 ok
clicks.hallo.powerus.de 8 2026-04-15 2026-08-11 ok
clicks.app.powerus.de 8 2026-04-15 2026-08-11 ok
www.arbeitgeber.powerus.de 8 2026-05-09 2026-09-04 ok
*.coder.powerus.de 7 2026-06-17 2026-08-15 —
arbeiter.powerus.de 7 2026-05-28 2026-09-24 ok
*.latest.powerus.de 8 2026-04-15 2026-08-12 —
*.dev.powerus.de 8 2026-04-15 2026-08-12 —
clicks.no-reply.powerus.de 8 2026-04-15 2026-08-11 ok
phprxy.powerus.de 5 2026-05-08 2026-09-05 ok

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