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.

14 hosts · 339 ms

HostCertsFirst seenLast seen
backmarket.de 23 2026-05-10 2026-09-21
*.backmarket.de 17 2026-05-24 2026-09-21
preprod.backmarket.de 6 2026-05-10 2026-09-05
*.preprod.backmarket.de 6 2026-05-10 2026-09-05
clicks.pro-e.backmarket.de 8 2026-05-11 2026-09-06
dse.backmarket.de 10 2026-04-19 2026-08-15
*.dse.backmarket.de 10 2026-04-19 2026-08-15
ppr.backmarket.de 6 2026-05-10 2026-09-05
tr.backmarket.de 6 2026-05-10 2026-09-05
*.int.backmarket.de 6 2026-05-10 2026-09-05
*.dev.backmarket.de 6 2026-05-10 2026-09-05
www.backmarket.de 6 2026-05-10 2026-09-05
story.backmarket.de 6 2026-05-10 2026-09-05
staging.story.backmarket.de 6 2026-05-10 2026-09-05

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