Subdomain Finder

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Result of duolingo.com


Scan date 2026-10-12 07:02:02
Domain Country: Worldwide (COM)
Subdomains found: 175
Most used IP: 3.221.14.176 (31x)
Whois Check Check Status Download JSON Download CSV Copy to clipboard
Subdomain IP Cloudflare
ai.duolingo.com 3.221.14.176
artifacts.duolingo.com 3.221.14.176
blog.duolingo.com 151.101.3.7
blog.englishtest.duolingo.com 151.101.3.7
buildinghub-stage-2.duolingo.com 44.221.111.160
buildinghub-stage-2.internal.duolingo.com 10.0.24.54
buildinghub-stage-3.duolingo.com 52.73.34.56
buildinghub-stage-3.internal.duolingo.com 10.0.93.149
buildinghub-stage.duolingo.com 100.50.211.162
buildinghub-stage.internal.duolingo.com 10.0.88.143
buildinghub.duolingo.com 98.90.92.94
buildinghub.internal.duolingo.com 10.0.121.67
cefr-tool-api.duolingo.com 3.221.48.243
cefr-tool.duolingo.com 3.221.14.176
cefr.duolingo.com 3.221.48.243
circle.duolingo.com 76.76.21.61
client-platform.duolingo.com 3.221.14.176
delphi.duolingo.com 76.76.21.98
dev-cluster-1.k8s.duolingo.com 3.221.48.243
dev-cluster-2.k8s.duolingo.com 3.221.48.243
develocity.pe.duolingo.com 3.221.14.176
drv.develocity.pe.duolingo.com 3.221.14.176
duocon.duolingo.com 18.239.83.7
email.careers.duolingo.com 3.221.14.176
email.events.duolingo.com 3.221.48.243
employee-tools.duolingo.com 3.221.14.176
englishtest-desktop.duolingo.com 44.194.197.250
englishtest-stage-7.duolingo.com 3.221.14.176
englishtest.duolingo.com 184.195.89.141
forum-api-cf.duolingo.com 3.221.14.176
forum-api.duolingo.com 3.221.14.176
forum-cf-stage-2.duolingo.com 3.221.48.243
forum-cf.duolingo.com 3.221.48.243
forum.duolingo.com 18.235.22.98
fowllanguage.duolingo.com 167.235.200.83
gear.duolingo.com 3.221.48.243
go.duolingo.com 3.92.120.28
gpn.duolingo.com 199.60.103.2
grafana-cloud-obsv-test.duolingo.com 104.18.12.97
grafana-cloud-us-central-azure.duolingo.com 3.221.48.243
grafana-cloud-us-east-gcp.duolingo.com 3.221.14.176
grafana-cloud-us-east-oh.duolingo.com 3.221.14.176
grafana-cloud.duolingo.com 3.221.14.176
grafana-us-central-azure.duolingo.com 104.18.12.97
grafana-us-east-gcp.duolingo.com 104.18.12.97
grafana-us-east-oh.duolingo.com 104.18.12.97
grafana.duolingo.com 104.18.12.97
infra-cicd-events-write-gateway-prod.duolingo.com 98.86.4.50
infra-cicd-events-write-gateway-stage.duolingo.com 3.217.141.29
infra-eks-argo-cd-webhooks.infra-eks-dev.duolingo.com 184.194.129.22
investors.duolingo.com 96.16.248.182
ios-buildserver-a.duolingo.com 3.221.14.176
ios-buildserver-b.duolingo.com 3.221.48.243
ios-buildserver-c.duolingo.com 3.221.14.176
ios-buildserver-d.duolingo.com 3.221.14.176
ios-buildserver-e.duolingo.com 3.221.48.243
ios-buildserver-f.duolingo.com 3.221.14.176
jenkins-ci.duolingo.com 100.25.59.11
kubeflow-stage.duolingo.com 3.221.14.176
making.duolingo.com 3.221.14.176
nac.duolingo.com 34.198.109.46
newsletter.duolingo.com 3.221.14.176
obsv-dev-1.k8s.duolingo.com 3.221.48.243
obsv-prod-1.k8s.duolingo.com 3.221.48.243
obsv-prod.pe.duolingo.com 3.221.14.176
obsv-stage-1.k8s.duolingo.com 3.221.14.176
obsv-stage.pe.duolingo.com 3.221.14.176
okta.duolingo.com 35.71.190.245
pe.duolingo.com 3.221.14.176
podcast.duolingo.com 185.199.108.153
prod-cluster-1.k8s.duolingo.com 3.221.14.176
prod-cluster-2.k8s.duolingo.com 3.221.48.243
prod-cluster-3.k8s.duolingo.com 3.221.14.176
prod-cluster-4.k8s.duolingo.com 3.221.48.243
prod.artifacts.duolingo.com 98.94.182.10
push.duolingo.com 18.245.199.113
research.duolingo.com 185.199.108.153
sharedtask.duolingo.com 185.199.109.153
stage-cluster-1.k8s.duolingo.com 3.221.48.243
stage-cluster-2.k8s.duolingo.com 3.221.14.176
status.duolingo.com 143.204.194.23
store-asia.duolingo.com 104.18.218.221
store-eu.duolingo.com 23.227.38.65
store.duolingo.com 23.227.38.74
support.duolingo.com 107.21.163.33
test-forum-cf.duolingo.com 3.221.14.176
test.infra-ack-dev.duolingo.com 10.23.111.35
trust.englishtest.duolingo.com 104.18.27.175
unity-license-server.client-platform.duolingo.com 3.221.48.243
university.duolingo.com 3.221.48.243
wingctl-api.infra-eks-dev.duolingo.com 184.196.2.184
wingctl-api.k8s.duolingo.com 100.61.80.105
wingctl-api.platform-api-dev.duolingo.com 184.195.139.211
www.englishtest.duolingo.com 44.194.197.250
www.nac.duolingo.com 3.221.14.176
www.podcast.duolingo.com 185.199.108.153
www.push.duolingo.com 18.245.199.113
www.support.duolingo.com 3.221.14.176
alan-dev-1.infra-eks-dev.duolingo.com none
alan-dev-2.infra-eks-dev.duolingo.com none
alan-dev-3.infra-eks-dev.duolingo.com none
alan-dev-4.infra-eks-dev.duolingo.com none
alan-dev-5.infra-eks-dev.duolingo.com none
alan-dev-6.infra-eks-dev.duolingo.com none
ca-prod-1.cloud-agents.duolingo.com none
checkout.englishtest.duolingo.com none
cluster-1.infra-eks-stage.duolingo.com none
cluster-2.infra-eks-stage.duolingo.com none
creston-dev-1.creston.infra-eks-dev.duolingo.com none
creston-dev-1.infra-eks-dev.duolingo.com none
creston-dev-2.creston.infra-eks-dev.duolingo.com none
creston-dev-2.infra-eks-dev.duolingo.com none
det-dev-1.det-stage-eks.duolingo.com none
det-prod-1.det-eks.duolingo.com none
det-stage-1.det-stage-eks.duolingo.com none
dev-cluster-1.infra-eks-dev.duolingo.com none
dev.duolingo.com none
emma-dev-1.infra-eks-dev.duolingo.com none
emma-dev-2.infra-eks-dev.duolingo.com none
emma-dev-3.infra-eks-dev.duolingo.com none
estrat-dev-1.infra-eks-dev.duolingo.com none
events.duolingo.com none
experimental-dev-1.infra-eks-dev.duolingo.com none
experimental-dev-2.infra-eks-dev.duolingo.com none
fallout-prod-1.fallout.duolingo.com none
franka-dev-1.infra-eks-dev.duolingo.com none
franka-dev-2.infra-eks-dev.duolingo.com none
franka-dev.infra-eks-dev.duolingo.com none
guadalupe-dev-1.infra-eks-dev.duolingo.com none
harrison-dev-1.infra-eks-dev.duolingo.com none
harrison-dev-2.infra-eks-dev.duolingo.com none
infra-ack-dev.duolingo.com none
infra-eks-dev.duolingo.com none
infra-eks-stage.duolingo.com none
internal-dev-1.infra-eks-dev.duolingo.com none
internal-dev-2.infra-eks-dev.duolingo.com none
internal.duolingo.com none
jbush-dev-1.infra-eks-dev.duolingo.com none
kanalu-dev-1.infra-eks-dev.duolingo.com none
kellermann-dev-1.infra-eks-dev.duolingo.com none
kellermann-dev.infra-eks-dev.duolingo.com none
kenny-dev-1.infra-eks-dev.duolingo.com none
leo-dev-2-1.infra-eks-dev.duolingo.com none
leo-dev-2.infra-eks-dev.duolingo.com none
leo-dev-3.infra-eks-dev.duolingo.com none
llm-gateway-prod-1.llm-gateway-eks.duolingo.com none
management-dev-1.infra-eks-dev.duolingo.com none
noyama-dev-1.infra-eks-dev.duolingo.com none
observability-stage.duolingo.com none
observability.duolingo.com none
obsv-prod-1.observability.duolingo.com none
obsv-stage-1.observability-stage.duolingo.com none
plat-api.platform-api.duolingo.com none
platform-api-dev-1.platform-api-dev.duolingo.com none
platform-api-dev.duolingo.com none
platform-api-prod-1.platform-api.duolingo.com none
platform-work-dev.platform-api-dev.duolingo.com none
platform-work-prod.platform-api-dev.duolingo.com none
platform-work-stage.platform-api-dev.duolingo.com none
qing-dev-1.infra-eks-dev.duolingo.com none
sec-stage-1.security-stage.duolingo.com none
speech-proc-prod-1.speech-proc-eks.duolingo.com none
stage-cluster-1.infra-eks-stage.duolingo.com none
stage-cluster-2.infra-eks-stage.duolingo.com none
stage-cluster-3.infra-eks-stage.duolingo.com none
tmac-dev-1.infra-eks-dev.duolingo.com none
vdev-refactor.infra-eks-dev.duolingo.com none
vdev2.infra-eks-dev.duolingo.com none
vitor-dev-1.infra-eks-dev.duolingo.com none
vitor-dev-2.infra-eks-dev.duolingo.com none
vitor-dev-3.infra-eks-dev.duolingo.com none
vpc.duolingo.com none
william-dev-1.infra-eks-dev.duolingo.com none
www.checkout.englishtest.duolingo.com none
zhihao-dev-1.infra-eks-dev.duolingo.com none
Show 77 subdomains without IP
IP Count
3.221.14.17631
3.221.48.24318
104.18.12.975
185.199.108.1533
151.101.3.72
44.194.197.2502
18.245.199.1132
98.90.92.941

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