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.

100 hosts (first page) · 306 ms

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HostCertsFirst seenLast seen
openspace.ai 2 2026-03-30 2026-08-30
*.openspace.ai 20 2025-12-03 2026-08-30
url7173.openspace.ai 2 2026-06-29 2026-06-29
url4034.openspace.ai 2 2026-06-29 2026-06-29
url275.openspace.ai 2 2026-06-29 2026-06-29
9000827.openspace.ai 1 2026-06-29 2026-06-29
dev7.openspace.ai 2 2026-04-01 2026-09-01
collab.dev7.openspace.ai 2 2025-10-30 2026-09-30
agentspace.dev7.openspace.ai 1 2026-03-17 2026-03-17
api.dev7.openspace.ai 2 2026-04-01 2026-09-01
cdn.dev7.openspace.ai 2 2026-03-17 2026-08-17
worklist.dev7.openspace.ai 3 2026-04-22 2026-09-22
ca.openspace.ai 2 2026-03-30 2026-08-30
ksa.openspace.ai 5 2026-04-29 2026-08-27
argocd-gcp-ksa.openspace.ai 4 2026-05-17 2026-07-16
kuberay-gcp-ksa.openspace.ai 4 2026-05-17 2026-07-16
*.ksa.openspace.ai 3 2026-06-18 2026-06-18
argocd.ksa.openspace.ai 6 2026-07-29 2026-09-27
api.ksa.openspace.ai 5 2026-04-29 2026-08-27
cdn.ksa.openspace.ai 3 2026-05-14 2026-10-15
worklist.ksa.openspace.ai 5 2026-04-29 2026-08-27
kuberay.ksa.openspace.ai 6 2026-07-29 2026-09-27
usa.openspace.ai 2 2026-03-30 2026-08-30
ua.openspace.ai 2 2026-02-25 2026-07-13
pre-prod.openspace.ai 2 2026-04-01 2026-09-01
argocd.pre-prod.openspace.ai 3 2026-07-22 2026-09-20
kuberay.pre-prod.openspace.ai 3 2026-07-22 2026-09-20
uae.openspace.ai 3 2026-02-02 2026-07-13
collab.uae.openspace.ai 1 2026-02-02 2026-02-02
agentspace.uae.openspace.ai 1 2026-03-17 2026-03-17
api.uae.openspace.ai 3 2026-02-02 2026-07-13
cdn.uae.openspace.ai 2 2026-02-03 2026-02-04
worklist.uae.openspace.ai 1 2026-04-22 2026-04-22
store.openspace.ai 11 2026-05-31 2026-10-10
gcp-ksa-staging.openspace.ai 2 2026-05-06 2026-05-06
argocd-gcp-ksa-staging.openspace.ai 2 2026-05-15 2026-05-15
kubecost-gcp-ksa-staging.openspace.ai 2 2026-05-15 2026-05-15
kuberay-gcp-ksa-staging.openspace.ai 2 2026-05-15 2026-05-15
api.gcp-ksa-staging.openspace.ai 2 2026-05-06 2026-05-06
worklist.gcp-ksa-staging.openspace.ai 2 2026-05-06 2026-05-06
sg.openspace.ai 2 2026-03-30 2026-08-30
tc-ci.openspace.ai 5 2026-05-04 2026-09-02
uk.openspace.ai 2 2026-03-30 2026-08-30
*.uk.openspace.ai 4 2026-06-12 2026-06-18
collab.uk.openspace.ai 1 2025-10-30 2025-10-30
argocd.uk.openspace.ai 3 2026-07-29 2026-09-27
agentspace.uk.openspace.ai 1 2026-03-17 2026-03-17
api.uk.openspace.ai 2 2026-03-30 2026-08-30
cdn.uk.openspace.ai 2 2026-03-17 2026-08-17
status.uk.openspace.ai 5 2026-05-15 2026-09-12
worklist.uk.openspace.ai 3 2026-04-22 2026-09-22
kuberay.uk.openspace.ai 3 2026-07-29 2026-09-27
mail.openspace.ai 2 2026-04-13 2026-09-13
can.openspace.ai 2 2026-03-30 2026-08-30
collab.can.openspace.ai 1 2025-10-30 2025-10-30
argocd.can.openspace.ai 3 2026-07-29 2026-09-27
agentspace.can.openspace.ai 1 2026-03-17 2026-03-17
api.can.openspace.ai 2 2026-03-30 2026-08-30
cdn.can.openspace.ai 2 2026-03-17 2026-08-17
worklist.can.openspace.ai 3 2026-04-22 2026-09-22
kuberay.can.openspace.ai 3 2026-07-29 2026-09-27
login.openspace.ai 10 2026-05-01 2026-08-28
verizon.openspace.ai 3 2026-09-16 2026-09-16
*.verizon.openspace.ai 2 2026-09-16 2026-09-16
agentspace.verizon.openspace.ai 2 2026-09-16 2026-09-16
api.verizon.openspace.ai 3 2026-09-16 2026-09-16
cdn.verizon.openspace.ai 2 2026-09-16 2026-09-16
worklist.verizon.openspace.ai 2 2026-09-16 2026-09-16
jpn.openspace.ai 2 2026-03-30 2026-08-30
collab.jpn.openspace.ai 1 2025-10-30 2025-10-30
argocd.jpn.openspace.ai 3 2026-07-22 2026-09-20
agentspace.jpn.openspace.ai 1 2026-03-17 2026-03-17
api.jpn.openspace.ai 2 2026-03-30 2026-08-30
cdn.jpn.openspace.ai 2 2026-03-17 2026-08-17
worklist.jpn.openspace.ai 3 2026-04-22 2026-09-22
kuberay.jpn.openspace.ai 3 2026-07-22 2026-09-20
learn.openspace.ai 2 2025-08-03 2026-07-04
info.openspace.ai 16 2026-06-01 2026-09-27
sgp.openspace.ai 2 2026-03-30 2026-08-30
collab.sgp.openspace.ai 1 2025-10-30 2025-10-30
argocd.sgp.openspace.ai 3 2026-07-22 2026-09-20
agentspace.sgp.openspace.ai 1 2026-03-17 2026-03-17
api.sgp.openspace.ai 2 2026-03-30 2026-08-30
cdn.sgp.openspace.ai 2 2026-03-17 2026-08-17
worklist.sgp.openspace.ai 3 2026-04-22 2026-09-22
kuberay.sgp.openspace.ai 3 2026-07-22 2026-09-20
jp.openspace.ai 2 2026-03-30 2026-08-30
amp.openspace.ai 1 2026-07-13 2026-07-13
gsa.gov-fedramp.openspace.ai 1 2025-08-26 2025-08-26
argocd.gov-fedramp.openspace.ai 1 2025-08-26 2025-08-26
kuberay.gov-fedramp.openspace.ai 1 2025-08-26 2025-08-26
collab.placeholder.openspace.ai 4 2026-05-15 2026-06-09
modelcards.openspace.ai 5 2026-04-23 2026-08-24
partners.openspace.ai 5 2026-04-30 2026-09-08
us.openspace.ai 2 2026-03-30 2026-08-30
*.us.openspace.ai 2 2026-06-18 2026-06-18
collab.us.openspace.ai 2 2025-08-05 2026-07-06
argocd.us.openspace.ai 3 2026-07-29 2026-09-27
agentspace.us.openspace.ai 2 2026-03-17 2026-08-17
api.us.openspace.ai 2 2026-03-30 2026-08-30

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/openspace.ai.

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/openspace.ai.