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 · 318 ms

HostCertsFirst seenLast seenDNS
bosch-diy.com 22 2025-12-10 2026-09-07 ok
*.bosch-diy.com 22 2025-12-10 2026-09-07 —
link.sap-poc.bosch-diy.com 4 2026-06-05 2026-10-03 ok
mybosch.bosch-diy.com 2 2026-03-02 2026-07-19 ok
shop.bosch-diy.com 5 2026-05-13 2026-09-10 ok
r.bosch-diy.com 2 2025-09-30 2026-08-31 ok
www.r.bosch-diy.com 2 2025-09-30 2026-08-31 ok
qr.bosch-diy.com 2 2025-09-30 2026-08-31 ok
www.qr.bosch-diy.com 2 2025-09-30 2026-08-31 ok
community.bosch-diy.com 5 2026-05-13 2026-09-10 ok

Programmatic access, with DNS A records: API GET /v1/hosts/bosch-diy.com (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/bosch-diy.com.