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.

17 hosts · 172 ms

HostCertsFirst seenLast seen
hoefer-chemie.de 6 2025-12-09 2026-09-17
*.hoefer-chemie.de 2 2025-12-09 2025-12-10
grafana.hoefer-chemie.de 5 2026-05-06 2026-09-03
b2b.hoefer-chemie.de 5 2026-05-10 2026-09-08
web.hoefer-chemie.de 9 2026-04-15 2026-09-21
one.hoefer-chemie.de 1 2026-10-04 2026-10-04
shipping.hoefer-chemie.de 5 2026-05-08 2026-09-05
hcshipping.hoefer-chemie.de 10 2026-05-08 2026-09-09
api.hcshipping.hoefer-chemie.de 10 2026-05-08 2026-10-02
timecard-api.hoefer-chemie.de 1 2026-10-08 2026-10-08
trk.hoefer-chemie.de 12 2026-05-22 2026-09-18
shippingsystem.hoefer-chemie.de 1 2026-09-24 2026-09-24
zammad-mcp.hoefer-chemie.de 1 2026-09-14 2026-09-14
ads-mcp.hoefer-chemie.de 1 2026-09-11 2026-09-11
plenty-mcp.hoefer-chemie.de 1 2026-09-03 2026-09-03
tickets.hoefer-chemie.de 5 2026-05-06 2026-09-03
www.hoefer-chemie.de 4 2026-04-15 2026-09-17

Programmatic access: API GET /v1/hosts/hoefer-chemie.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/hoefer-chemie.de.