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) · 380 ms

HostCertsFirst seenLast seenDNS
crowdstrike.com 70 2025-10-12 2026-10-05 ok
*.crowdstrike.com 65 2026-04-11 2026-10-05 —
firehose.sa-1.crowdstrike.com 1 2026-09-11 2026-09-11 nxdomain
ffcng.sa-1.crowdstrike.com 2 2026-08-19 2026-08-19 ok
api.sa-1.crowdstrike.com 1 2026-08-03 2026-08-03 ok
flc-api.sa-1.crowdstrike.com 1 2026-09-23 2026-09-23 ok
universal.sa-1.crowdstrike.com 1 2026-08-03 2026-08-03 nxdomain
falcon.sa-1.crowdstrike.com 2 2026-07-23 2026-07-23 ok
*.falcon.sa-1.crowdstrike.com 2 2026-07-23 2026-07-23 —
api-mtls.sa-1.crowdstrike.com 1 2026-08-03 2026-08-03 nxdomain
ingest.sa-1.crowdstrike.com 1 2026-09-30 2026-09-30 ok
*.ingest.sa-1.crowdstrike.com 1 2026-09-30 2026-09-30 —
container-upload.us-1.crowdstrike.com 3 2026-06-01 2026-09-21 ok
www.container-upload.us-1.crowdstrike.com 1 2026-06-01 2026-06-01 nxdomain
logscale.us-1.crowdstrike.com 3 2026-04-06 2026-09-22 nodata
*.logscale.us-1.crowdstrike.com 3 2026-04-06 2026-09-22 —
oem-1.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 ok
*.oem-1.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 —
ingest.oem-1.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 ok
*.ingest.oem-1.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 —
oem-1-preprod.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 ok
*.oem-1-preprod.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 —
ingest.oem-1-preprod.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 ok
*.ingest.oem-1-preprod.logscale.us-1.crowdstrike.com 1 2025-09-02 2025-09-02 —
ingest.logscale.us-1.crowdstrike.com 2 2026-04-07 2026-09-22 ok
*.ingest.logscale.us-1.crowdstrike.com 2 2026-04-07 2026-09-22 —
oem-telemetry.logscale.us-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.oem-telemetry.logscale.us-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
ingest.oem-telemetry.logscale.us-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.ingest.oem-telemetry.logscale.us-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
ffcng.us-1.crowdstrike.com 3 2026-04-27 2026-09-23 ok
ingestion.aspm.us-1.crowdstrike.com 4 2026-03-18 2026-09-29 ok
relay.ingestion.aspm.us-1.crowdstrike.com 4 2026-03-18 2026-09-29 ok
in.onum.us-1.crowdstrike.com 2 2026-08-05 2026-08-05 nxdomain
*.in.onum.us-1.crowdstrike.com 2 2026-08-05 2026-08-05 —
ffcps.us-1.crowdstrike.com 1 2025-12-08 2025-12-08 ok
ingest.us-1.crowdstrike.com 2 2026-03-18 2026-08-18 ok
xdr-ingest.us-1.crowdstrike.com 2 2026-04-13 2026-05-20 nxdomain
*.xdr-ingest.us-1.crowdstrike.com 2 2026-04-13 2026-05-20 —
*.ingest.us-1.crowdstrike.com 2 2026-03-18 2026-08-18 —
ecomm-airflow.us-1.crowdstrike.com 1 2025-09-05 2025-09-05 ok
aigateway.us-1.crowdstrike.com 2 2026-09-21 2026-09-21 ok
az.us-1.crowdstrike.com 1 2026-01-28 2026-01-28 ok
www.az.us-1.crowdstrike.com 1 2026-01-28 2026-01-28 nxdomain
container-upload.eu-1.crowdstrike.com 3 2026-06-01 2026-09-21 ok
www.container-upload.eu-1.crowdstrike.com 1 2026-06-01 2026-06-01 nxdomain
logscale.eu-1.crowdstrike.com 2 2026-04-06 2026-09-22 nodata
*.logscale.eu-1.crowdstrike.com 2 2026-04-06 2026-09-22 —
oem-2-3.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.oem-2-3.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
ingest.oem-2-3.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.ingest.oem-2-3.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
oem-2-preprod.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.oem-2-preprod.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
ingest.oem-2-preprod.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.ingest.oem-2-preprod.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
ingest.logscale.eu-1.crowdstrike.com 3 2026-04-07 2026-09-22 ok
*.ingest.logscale.eu-1.crowdstrike.com 3 2026-04-07 2026-09-22 —
oem-telemetry.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.oem-telemetry.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
ingest.oem-telemetry.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 ok
*.ingest.oem-telemetry.logscale.eu-1.crowdstrike.com 1 2026-05-05 2026-05-05 —
firehose.eu-1.crowdstrike.com 1 2026-01-30 2026-01-30 ok
apilite.eu-1.crowdstrike.com 2 2026-09-21 2026-09-21 nxdomain
ffcng.eu-1.crowdstrike.com 2 2026-04-27 2026-09-21 ok
api.eu-1.crowdstrike.com 5 2026-03-19 2026-09-21 ok
flc-api.eu-1.crowdstrike.com 2 2026-03-18 2026-09-15 ok
universal.eu-1.crowdstrike.com 5 2026-03-19 2026-09-21 ok
ingestion.aspm.eu-1.crowdstrike.com 6 2026-03-18 2026-09-29 ok
relay.ingestion.aspm.eu-1.crowdstrike.com 6 2026-03-18 2026-09-29 ok
in.onum.eu-1.crowdstrike.com 2 2026-08-05 2026-08-05 nxdomain
*.in.onum.eu-1.crowdstrike.com 2 2026-08-05 2026-08-05 —
falcon.eu-1.crowdstrike.com 1 2026-04-20 2026-04-20 ok
*.falcon.eu-1.crowdstrike.com 1 2026-04-20 2026-04-20 —
onboarding.fsa.falcon.eu-1.crowdstrike.com 1 2026-07-24 2026-07-24 ok
auth.fsa.falcon.eu-1.crowdstrike.com 1 2026-07-24 2026-07-24 ok
reactor.fsa.falcon.eu-1.crowdstrike.com 1 2026-08-17 2026-08-17 ok
assets.fsa.falcon.eu-1.crowdstrike.com 1 2026-07-24 2026-07-24 ok
saas-security-api.falcon.eu-1.crowdstrike.com 2 2026-03-18 2026-09-08 ok
www.saas-security-api.falcon.eu-1.crowdstrike.com 2 2026-03-18 2026-09-08 ok
saas-security.falcon.eu-1.crowdstrike.com 2 2026-03-18 2026-09-08 ok
www.saas-security.falcon.eu-1.crowdstrike.com 2 2026-03-18 2026-09-08 ok
mcp.eu-1.crowdstrike.com 2 2026-08-17 2026-08-17 ok
www.mcp.eu-1.crowdstrike.com 2 2026-08-17 2026-08-17 nxdomain
api-enforcement-idp.eu-1.crowdstrike.com 2 2026-09-21 2026-09-21 ok
api-mtls.eu-1.crowdstrike.com 4 2026-05-21 2026-09-21 ok
access.eu-1.crowdstrike.com 2 2026-09-21 2026-09-21 nxdomain
ingest.eu-1.crowdstrike.com 2 2026-03-18 2026-08-18 ok
xdr-ingest.eu-1.crowdstrike.com 2 2026-04-13 2026-05-20 nxdomain
*.xdr-ingest.eu-1.crowdstrike.com 2 2026-04-13 2026-05-20 —
*.ingest.eu-1.crowdstrike.com 2 2026-03-18 2026-08-18 —
aigateway.eu-1.crowdstrike.com 2 2026-09-21 2026-09-21 ok
az.eu-1.crowdstrike.com 1 2026-01-28 2026-01-28 ok
www.az.eu-1.crowdstrike.com 1 2026-01-28 2026-01-28 nxdomain
example001.crowdstrike.com 2 2025-08-19 2025-09-10 nxdomain
example01.crowdstrike.com 5 2025-08-29 2025-09-04 nxdomain
example1.crowdstrike.com 17 2025-08-18 2025-09-12 nxdomain
example.test1.crowdstrike.com 1 2025-10-07 2025-10-07 nxdomain
container-upload.us-2.crowdstrike.com 2 2026-06-01 2026-09-17 ok
www.container-upload.us-2.crowdstrike.com 1 2026-06-01 2026-06-01 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/crowdstrike.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/crowdstrike.com.