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 · 222 ms

HostCertsFirst seenLast seen
backmarket.at 29 2026-05-19 2026-09-20
*.backmarket.at 13 2026-05-22 2026-09-20
preprod.backmarket.at 16 2026-05-19 2026-09-14
*.preprod.backmarket.at 16 2026-05-19 2026-09-14
clicks.pro-e.backmarket.at 6 2026-05-11 2026-09-06
dse.backmarket.at 9 2026-04-19 2026-08-15
*.dse.backmarket.at 9 2026-04-19 2026-08-15
ppr.backmarket.at 16 2026-05-19 2026-09-14
tr.backmarket.at 16 2026-05-19 2026-09-14
*.int.backmarket.at 16 2026-05-19 2026-09-14
*.dev.backmarket.at 16 2026-05-19 2026-09-14
www.backmarket.at 16 2026-05-19 2026-09-14
story.backmarket.at 16 2026-05-19 2026-09-14
staging.story.backmarket.at 16 2026-05-19 2026-09-14

Programmatic access: API GET /v1/hosts/backmarket.at (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.at.