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Domain > incubator-testbed.duolingo.com

More information on this domain is in AlienVault OTX

Is this malicious?

Whois
PropertyValue
NameServer NS-1117.AWSDNS-11.ORG
Created 2010-01-26 00:00:00
Changed 2014-05-11 00:00:00
Expires 2016-01-26 00:00:00
Registrar GODADDY.COM, LLC

DNS Resolutions
DateIP Address
2015-02-11184.72.124.184 (ClassC)
2015-02-1154.165.40.136 (ClassC)
2024-02-183.212.65.31 (ClassC)
2024-03-1218.213.164.146 (ClassC)
2024-03-1644.220.127.62 (ClassC)
2024-03-2054.88.183.130 (ClassC)
2024-04-04107.23.98.90 (ClassC)
2024-04-0852.2.45.1 (ClassC)
2024-04-2634.233.187.222 (ClassC)
2024-05-1618.215.139.37 (ClassC)
2024-06-0923.22.217.73 (ClassC)
2024-06-243.226.22.222 (ClassC)
2024-07-0934.231.46.124 (ClassC)
2024-07-2734.227.153.95 (ClassC)
2024-08-133.233.96.132 (ClassC)
2024-08-3118.210.37.5 (ClassC)
2024-09-0752.201.147.72 (ClassC)
2024-09-1444.214.221.232 (ClassC)
2024-10-0334.225.211.196 (ClassC)
2024-10-2934.206.115.90 (ClassC)
2024-11-2154.80.176.131 (ClassC)
2024-11-2734.206.253.188 (ClassC)
2024-12-2452.201.99.132 (ClassC)
2025-01-303.224.164.100 (ClassC)
2025-02-2152.71.151.191 (ClassC)
2025-02-2552.6.34.249 (ClassC)
2025-03-0254.227.181.65 (ClassC)
2025-03-2044.220.126.41 (ClassC)
2025-04-1744.208.153.211 (ClassC)
2025-05-0452.45.117.146 (ClassC)
2025-05-0834.231.69.249 (ClassC)
2025-05-1513.216.38.50 (ClassC)
2025-05-2752.1.73.49 (ClassC)
2025-06-0518.213.80.150 (ClassC)

Port 443

Subdomains
DateDomainIP
2020.duolingo.com2021-02-2554.230.126.11
2021.duolingo.com2025-01-1254.165.40.136
ios-api-2.duolingo.com2024-09-0734.226.73.199
schools-v2.duolingo.com2024-07-2234.230.186.109
englishtest-stage-7.duolingo.com2024-06-02104.18.16.230
httpsenglishtest-stage-7.duolingo.com2024-08-3154.165.40.136
ja.duolingo.com2025-05-2444.212.105.57
athena.duolingo.com2024-09-13184.72.124.184
ta.duolingo.com2025-05-0552.201.64.68
duolingo-api-web.duolingo.com2025-05-233.89.237.148
duolingo-forum-web.duolingo.com2019-10-1813.224.29.90
duolingo-incubator-web.duolingo.com2025-03-20204.246.191.64
brb.duolingo.com2024-04-04108.138.94.75
abc.duolingo.com2025-01-0318.238.217.125
static.duolingo.com2015-01-1354.230.91.38
public-static.duolingo.com2024-08-093.163.24.55
incubator-testbed.duolingo.com2015-02-1154.165.40.136
id.duolingo.com2023-09-033.224.239.117
math-prod.duolingo.com2024-05-0618.213.194.253
duolingo-referral-prod.duolingo.com2024-12-2718.233.73.118
duolingo-spam-control-prod.duolingo.com2023-10-1944.206.207.240
041932e12660bd7663c27fbab1fe16fbd2bbd980ad96878e56757a5838d9fcf.us-east-1.prod.s2024-05-2754.165.40.136
friends-prod.duolingo.com2025-05-2544.195.184.21
duolingo-leaderboards-prod.duolingo.com2025-05-0544.194.127.236
uniteduolingo-leaderboards-prod.duolingo.com2024-10-23184.72.124.184
5776a16c040944cf6d3f8f77f7f43a69.azr.footpduolingo-leaderboards-prod.duolingo.co2024-06-1054.165.40.136
midas-bandits-prod.duolingo.com2025-05-0552.21.210.150
duolingo-achievements-prod.duolingo.com2025-05-2552.203.237.141
www-prod.duolingo.com2024-09-073.221.22.250
infra-edge-gateway-prod.duolingo.com2024-09-0750.16.161.49
de.duolingo.com2025-05-243.219.43.197
abc-stage.duolingo.com2025-04-1299.84.66.10
diagnostics-stage.duolingo.com2025-05-2434.204.22.34
ambassadors-stage.duolingo.com2025-01-2316.15.184.143
duolingo-hoots-stage.duolingo.com2025-04-0552.55.95.86
duolingo-spam-control-prod-edge.duolingo.com2023-10-1934.238.128.84
stories-edge.duolingo.com2025-01-3054.204.44.210
schools-edge.duolingo.com2023-11-243.220.104.45
zombie.duolingo.com2024-04-1518.239.199.114
te.duolingo.com2024-09-0734.192.179.246
birdseye.duolingo.com2025-05-2444.205.153.250
af.duolingo.com2025-01-2054.165.40.136
infra-edge-gateway-prod-cf.duolingo.com2024-09-03204.246.191.107
infra-edge-gateway-stage-cf.duolingo.com2025-03-2018.161.6.18
android-api-cf.duolingo.com2021-06-2899.84.64.50
ios-api-cf.duolingo.com2024-12-2099.86.38.85
diag.duolingo.com2023-10-1952.204.126.241
blog.duolingo.com2014-07-1666.6.40.74
support.duolingo.comblog.duolingo.com2024-11-2754.165.40.136
th.duolingo.com2024-09-0752.73.186.4
ai.duolingo.com2024-11-17184.72.124.184
api.duolingo.com2023-10-1818.207.73.87
android-api.duolingo.com2023-08-313.212.18.228
api.aamp.ravenconnected.comadmin.bleem.netandroid-api.duolingo.com2024-12-24184.72.124.184
spam-control-api.duolingo.com2025-05-2544.222.13.72
admin-qa-api.borderfree.livelinks.iterable.comspam-control-api.duolingo.com2024-12-24184.72.124.184
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