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.

24 hosts · 276 ms

HostCertsFirst seenLast seenDNS
condenast.de 22 2025-10-05 2026-09-10 ok
*.condenast.de 21 2025-10-05 2026-09-10 —
c.condenast.de 5 2025-12-29 2025-12-29 ok
qc.condenast.de 10 2025-09-23 2026-08-24 ok
dev.leitbild.condenast.de 1 2025-10-05 2025-10-05 nxdomain
*.dev.leitbild.condenast.de 1 2025-10-05 2025-10-05 —
permutive.condenast.de 4 2026-04-20 2026-08-19 ok
kuendigung.condenast.de 5 2026-03-13 2026-09-21 ok
www.kuendigung.condenast.de 3 2026-03-13 2026-09-11 nxdomain
dev.techblog.condenast.de 1 2025-10-05 2025-10-05 nxdomain
*.dev.techblog.condenast.de 1 2025-10-05 2025-10-05 —
link.condenast.de 7 2026-06-03 2026-10-01 ok
dev-login.condenast.de 1 2026-05-06 2026-05-06 nxdomain
*.dev-login.condenast.de 1 2026-05-06 2026-05-06 —
shop.condenast.de 16 2026-06-06 2026-10-02 ok
stage.shop.condenast.de 8 2026-04-13 2026-08-09 ok
dev.shop.condenast.de 20 2026-06-06 2026-10-02 ok
events.condenast.de 5 2026-05-28 2026-09-25 ok
dev.condenast.de 1 2025-10-05 2025-10-05 nxdomain
*.dev.condenast.de 1 2025-10-05 2025-10-05 —
staticdev.condenast.de 1 2026-01-16 2026-01-16 nxdomain
*.staticdev.condenast.de 1 2026-01-16 2026-01-16 —
dev-cnx.condenast.de 1 2026-01-21 2026-01-21 nxdomain
*.dev-cnx.condenast.de 1 2026-01-21 2026-01-21 —

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