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.

30 hosts · 304 ms

HostCertsFirst seenLast seenDNS
crouzet.com 2 2026-02-13 2026-02-13 ok
staging2.crouzet.com 5 2026-05-25 2026-09-23 ok
soda.crouzet.com 2 2026-02-13 2026-02-13 ok
staging.soda.crouzet.com 5 2026-04-26 2026-08-24 ok
media.crouzet.com 2 2026-03-11 2026-07-27 ok
brand.crouzet.com 1 2026-07-24 2026-07-24 ok
aerospace.crouzet.com 5 2026-04-27 2026-08-25 ok
www.aerospace.crouzet.com 1 2026-01-29 2026-01-29 ok
staging.crouzet.com 5 2026-05-21 2026-09-19 ok
img.marketing.crouzet.com 10 2026-05-15 2026-09-11 ok
r.marketing.crouzet.com 4 2026-04-15 2026-09-22 ok
blog.crouzet.com 7 2026-02-13 2026-09-12 ok
control.crouzet.com 4 2026-04-16 2026-08-14 ok
www.control.crouzet.com 1 2026-01-29 2026-01-29 ok
wam.crouzet.com 2 2025-08-30 2026-09-01 ok
millenium.crouzet.com 5 2026-04-24 2026-08-23 ok
automation.crouzet.com 5 2026-04-26 2026-08-24 ok
www.automation.crouzet.com 1 2026-01-29 2026-01-29 ok
learn.crouzet.com 8 2026-05-08 2026-10-04 ok
wam.pop.crouzet.com 2 2025-08-30 2026-09-01 nxdomain
switches.crouzet.com 5 2026-06-01 2026-09-30 ok
www.switches.crouzet.com 1 2026-01-29 2026-01-29 ok
ma.audros.crouzet.com 2 2026-02-13 2026-02-13 nxdomain
cn.audros.crouzet.com 2 2026-02-13 2026-02-13 nxdomain
app.audros.crouzet.com 2 2026-02-13 2026-02-13 nxdomain
fr.audros.crouzet.com 2 2026-02-13 2026-02-13 nxdomain
fr-dev.audros.crouzet.com 2 2026-02-13 2026-02-13 nxdomain
motors.crouzet.com 5 2026-04-27 2026-08-27 ok
www.motors.crouzet.com 1 2026-01-29 2026-01-29 ok
www.crouzet.com 2 2026-02-13 2026-02-13 ok

Programmatic access, with DNS A records: API GET /v1/hosts/crouzet.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/crouzet.com.