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.

100 hosts (first page) · 589 ms

HostCertsFirst seenLast seenDNS
koesio.com 5 2026-04-22 2026-08-29 ok
ligne1000.koesio.com 1 2025-12-15 2025-12-15 ok
www.ligne1000.koesio.com 1 2025-12-15 2025-12-15 nxdomain
banque1000.koesio.com 1 2026-02-10 2026-02-10 ok
www.banque1000.koesio.com 1 2026-02-10 2026-02-10 nxdomain
vpn.paca.koesio.com 1 2026-03-13 2026-03-13 ok
www.vpn.paca.koesio.com 1 2026-03-13 2026-03-13 nxdomain
ia.koesio.com 5 2026-05-12 2026-09-29 ok
icodia.koesio.com 2 2025-09-22 2026-09-18 nodata
*.icodia.koesio.com 2 2025-09-22 2026-09-18 —
dev-oidc-spa.koesio.com 5 2026-05-18 2026-09-15 ok
gitlab-dsia.aura.koesio.com 1 2025-11-26 2025-11-26 ok
www.gitlab-dsia.aura.koesio.com 1 2025-11-26 2025-11-26 nxdomain
arena.aura.koesio.com 1 2026-05-15 2026-05-15 ok
www.arena.aura.koesio.com 1 2026-05-15 2026-05-15 nxdomain
kasa.aura.koesio.com 1 2026-04-27 2026-04-27 ok
qa-kasa.aura.koesio.com 1 2025-10-13 2025-10-13 ok
preprod.qa-kasa.aura.koesio.com 1 2025-11-26 2025-11-26 ok
www.preprod.qa-kasa.aura.koesio.com 1 2025-11-26 2025-11-26 nxdomain
www.qa-kasa.aura.koesio.com 1 2025-10-13 2025-10-13 nxdomain
preprod.kasa.aura.koesio.com 1 2026-01-26 2026-01-26 ok
www.preprod.kasa.aura.koesio.com 1 2026-01-26 2026-01-26 nxdomain
www.kasa.aura.koesio.com 1 2026-04-27 2026-04-27 nxdomain
nac.aura.koesio.com 1 2026-01-05 2026-01-05 ok
www.nac.aura.koesio.com 1 2026-01-05 2026-01-05 nxdomain
ticketing-gc.aura.koesio.com 2 2025-09-19 2026-09-14 ok
www.ticketing-gc.aura.koesio.com 2 2025-09-19 2026-09-14 nxdomain
ged.aura.koesio.com 1 2025-09-11 2025-09-11 ok
www.ged.aura.koesio.com 1 2025-09-11 2025-09-11 nxdomain
pam.aura.koesio.com 2 2025-07-03 2026-07-28 ok
www.pam.aura.koesio.com 2 2025-07-03 2026-07-28 nxdomain
vpn.aura.koesio.com 2 2026-06-01 2026-06-12 ok
www.vpn.aura.koesio.com 1 2026-06-12 2026-06-12 nxdomain
corp.aura.koesio.com 1 2026-04-08 2026-04-08 nxdomain
www.corp.aura.koesio.com 1 2026-04-08 2026-04-08 nxdomain
vsz.aura.koesio.com 1 2026-05-12 2026-05-12 nxdomain
www.vsz.aura.koesio.com 1 2026-05-12 2026-05-12 nxdomain
kawa.koesio.com 5 2026-05-19 2026-09-16 ok
voxa.koesio.com 1 2026-01-21 2026-01-21 nodata
*.voxa.koesio.com 1 2026-01-21 2026-01-21 —
wikilab.koesio.com 1 2026-03-30 2026-03-30 ok
www.wikilab.koesio.com 1 2026-03-30 2026-03-30 nxdomain
dev-oidc-web.koesio.com 5 2026-05-18 2026-09-15 ok
fluxlogistik.occ.koesio.com 5 2026-04-26 2026-08-24 ok
kollect.occ.koesio.com 5 2026-05-05 2026-09-02 ok
kinetic.koesio.com 5 2026-05-12 2026-09-29 ok
ksync.koesio.com 1 2026-06-23 2026-06-23 ok
www.ksync.koesio.com 1 2026-06-23 2026-06-23 nxdomain
img.med.koesio.com 8 2026-04-29 2026-08-25 ok
r.med.koesio.com 4 2026-05-03 2026-07-22 ok
preprod.koesio.com 2 2026-04-23 2026-04-23 ok
leaseboard.koesio.com 5 2026-05-08 2026-09-06 ok
dashboard.koesio.com 5 2026-05-18 2026-09-16 ok
wonderboard.koesio.com 1 2025-10-20 2025-10-20 ok
preprod.wonderboard.koesio.com 1 2025-11-26 2025-11-26 ok
www.preprod.wonderboard.koesio.com 1 2025-11-26 2025-11-26 nxdomain
www.wonderboard.koesio.com 1 2025-10-20 2025-10-20 nxdomain
watchguard.koesio.com 5 2026-05-12 2026-09-29 ok
multicloud.koesio.com 5 2026-05-12 2026-09-29 ok
whiteboard.svd.koesio.com 1 2026-07-23 2026-07-23 ok
www.whiteboard.svd.koesio.com 1 2026-07-23 2026-07-23 nxdomain
sit.svd.koesio.com 1 2026-07-23 2026-07-23 ok
www.sit.svd.koesio.com 1 2026-07-23 2026-07-23 nxdomain
digital-workplace.koesio.com 5 2026-05-12 2026-09-29 ok
hyperconvergence.koesio.com 5 2026-04-27 2026-09-14 ok
fluxlogistik.cee.koesio.com 3 2026-04-16 2026-06-16 ok
portail.cee.koesio.com 4 2025-09-09 2026-09-15 ok
www.portail.cee.koesio.com 4 2025-09-09 2026-09-15 nxdomain
vpn.cee.koesio.com 3 2025-09-05 2026-09-14 ok
www.vpn.cee.koesio.com 3 2025-09-05 2026-09-14 nxdomain
pop.cee.koesio.com 1 2026-03-31 2026-03-31 ok
www.pop.cee.koesio.com 1 2026-03-31 2026-03-31 nxdomain
pop-dev.cee.koesio.com 1 2026-02-18 2026-02-18 ok
www.pop-dev.cee.koesio.com 1 2026-02-18 2026-02-18 nxdomain
kanopee.koesio.com 2 2026-01-21 2026-06-12 ok
dev-oidc-apache.koesio.com 5 2026-05-18 2026-09-15 ok
img.occitanie.koesio.com 10 2026-05-07 2026-09-02 ok
r.occitanie.koesio.com 3 2026-06-10 2026-08-29 ok
monmobile.koesio.com 5 2026-05-15 2026-09-12 ok
eole.koesio.com 4 2026-04-21 2026-09-08 ok
vpn.eole.koesio.com 1 2026-06-01 2026-06-01 ok
apple.koesio.com 5 2026-05-12 2026-09-29 ok
projetukraine.koesio.com 3 2026-06-09 2026-08-18 ok
scope.koesio.com 3 2025-09-23 2026-09-14 nxdomain
www.scope.koesio.com 3 2025-09-23 2026-09-14 nxdomain
raisondetre.koesio.com 5 2026-05-12 2026-09-29 ok
essbase.koesio.com 1 2025-11-26 2025-11-26 ok
www.essbase.koesio.com 1 2025-11-26 2025-11-26 nxdomain
rse.koesio.com 5 2026-05-12 2026-09-29 ok
kbox-rse.koesio.com 4 2026-04-12 2026-08-10 ok
eligibilite.koesio.com 4 2026-04-19 2026-08-17 ok
api.public.eligibilite.koesio.com 4 2026-04-09 2026-08-07 ok
api.eligibilite.koesio.com 4 2026-04-09 2026-08-07 ok
cybersecurite.koesio.com 5 2026-05-12 2026-09-29 ok
affichagedynamique.koesio.com 5 2026-05-12 2026-09-29 ok
facturation-electronique.koesio.com 5 2026-05-12 2026-09-29 ok
services-manages-informatique.koesio.com 5 2026-05-12 2026-09-29 ok
isidrive.koesio.com 1 2026-01-08 2026-01-08 ok
editor-isidrive.koesio.com 1 2026-01-08 2026-01-08 ok
www.editor-isidrive.koesio.com 1 2026-01-08 2026-01-08 nxdomain

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/koesio.com.

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/koesio.com.