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.

10 hosts · 264 ms

HostCertsFirst seenLast seenDNS
wine-in-black.de 15 2026-04-14 2026-09-26 ok
*.wine-in-black.de 5 2026-02-14 2026-09-22 —
marketing.wine-in-black.de 18 2026-05-07 2026-09-02 ok
image.email.wine-in-black.de 3 2026-04-13 2026-06-01 ok
click.email.wine-in-black.de 3 2026-03-21 2026-08-22 ok
view.email.wine-in-black.de 3 2026-03-21 2026-08-25 ok
video.cdn.wine-in-black.de 1 2025-12-06 2025-12-06 ok
forms.wine-in-black.de 6 2026-05-11 2026-08-10 ok
account.wine-in-black.de 12 2026-04-19 2026-10-01 ok
www.wine-in-black.de 14 2026-05-29 2026-09-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/wine-in-black.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/wine-in-black.de.