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.

44 hosts · 372 ms

HostCertsFirst seenLast seen
croixrouge.ca 28 2026-04-13 2026-10-04
*.croixrouge.ca 27 2026-04-13 2026-10-04
sigu2.croixrouge.ca 3 2026-03-07 2026-08-26
formation-sigu2.croixrouge.ca 3 2026-01-30 2026-08-17
test-sigu2.croixrouge.ca 3 2026-01-30 2026-08-17
partage.croixrouge.ca 1 2026-01-31 2026-01-31
k13-stage.croixrouge.ca 1 2026-01-05 2026-01-05
*.stage.croixrouge.ca 11 2026-04-27 2026-08-23
k13-adminstage.croixrouge.ca 1 2026-01-05 2026-01-05
horizon-newstage.croixrouge.ca 3 2026-03-26 2026-09-17
horizon-staging.croixrouge.ca 1 2026-02-05 2026-02-05
sgtm.croixrouge.ca 2 2026-09-14 2026-09-14
k13-admin.croixrouge.ca 1 2026-01-07 2026-01-07
*.inscription.croixrouge.ca 11 2026-04-27 2026-08-23
horizon.croixrouge.ca 1 2025-10-22 2025-10-22
sigu2-backup.croixrouge.ca 3 2026-02-13 2026-08-17
k13-exp.croixrouge.ca 1 2026-01-05 2026-01-05
k13-adminexp.croixrouge.ca 1 2026-01-05 2026-01-05
macr.croixrouge.ca 1 2025-11-17 2025-11-17
*.macr.croixrouge.ca 11 2026-04-27 2026-08-23
www.macr.croixrouge.ca 1 2025-11-17 2025-11-17
magasiner.croixrouge.ca 4 2025-08-13 2026-08-19
*.magasiner.croixrouge.ca 11 2026-04-27 2026-08-23
autodiscover.croixrouge.ca 3 2025-08-12 2026-08-20
inscriptions.croixrouge.ca 2 2026-03-07 2026-07-19
formation-inscriptions.croixrouge.ca 2 2026-01-30 2026-06-18
test-inscriptions.croixrouge.ca 2 2026-01-30 2026-06-18
rapportdesincidents.croixrouge.ca 1 2026-03-03 2026-03-03
crcplus.croixrouge.ca 1 2025-10-16 2025-10-16
rapportdesincidents-uat.croixrouge.ca 3 2026-04-02 2026-09-28
*.uat.croixrouge.ca 11 2026-04-27 2026-08-23
gestion-hebergement.croixrouge.ca 1 2026-07-06 2026-07-06
formation-gestion-hebergement.croixrouge.ca 1 2026-07-20 2026-07-20
test-gestion-hebergement.croixrouge.ca 1 2026-05-28 2026-05-28
partenairessigu.gatineau.croixrouge.ca 1 2026-04-20 2026-04-20
inscriptions-bu.croixrouge.ca 2 2026-02-13 2026-06-24
partenairessigu.croixrouge.ca 3 2026-02-13 2026-08-17
formation-partenairessigu.croixrouge.ca 3 2026-02-13 2026-08-17
test-partenairessigu.croixrouge.ca 3 2026-02-13 2026-08-17
k13-dev.croixrouge.ca 2 2025-09-17 2026-10-02
k13-admindev.croixrouge.ca 2 2025-09-17 2026-10-02
www.croixrouge.ca 1 2026-01-07 2026-01-07
donnez.croixrouge.ca 14 2026-05-22 2026-09-17
*.donnez.croixrouge.ca 11 2026-04-27 2026-08-23

Programmatic access: API GET /v1/hosts/croixrouge.ca (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/croixrouge.ca.