| Property | Value |
| 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 |
| Date | IP Address |
| 2021-10-01 | 65.8.158.49 (ClassC) |
| 2023-12-10 | 52.207.65.120 (ClassC) |
| 2024-05-08 | 18.215.139.37 (ClassC) |
| 2024-05-10 | 34.230.184.48 (ClassC) |
| 2024-05-19 | 3.82.80.119 (ClassC) |
| 2024-05-19 | 44.205.87.169 (ClassC) |
| 2024-07-22 | 34.230.186.109 (ClassC) |
| 2024-08-05 | 52.71.128.222 (ClassC) |
| 2024-08-07 | 3.210.105.56 (ClassC) |
| 2024-08-14 | 3.221.214.115 (ClassC) |
| 2024-08-17 | 34.196.231.55 (ClassC) |
| 2024-09-04 | 34.226.73.199 (ClassC) |
| 2024-09-07 | 3.221.23.244 (ClassC) |
| 2024-11-18 | 34.237.116.188 (ClassC) |
| 2025-01-19 | 54.82.147.100 (ClassC) |
| 2025-03-20 | 34.225.96.134 (ClassC) |
| 2025-04-19 | 34.206.228.228 (ClassC) |
| 2025-05-04 | 3.210.169.224 (ClassC) |
| 2025-05-08 | 3.92.246.94 (ClassC) |
| 2025-05-28 | 34.234.53.112 (ClassC) |
| 2025-06-09 | 34.236.196.185 (ClassC) |
| 2025-06-18 | 34.231.119.138 (ClassC) |
| 2025-06-27 | 52.202.214.197 (ClassC) |
| 2025-07-03 | 34.196.112.235 (ClassC) |
| 2025-07-19 | 44.218.125.119 (ClassC) |
| 2025-09-03 | 34.198.198.209 (ClassC) |
| 2025-09-10 | 52.73.177.138 (ClassC) |
| 2025-09-25 | 34.196.89.1 (ClassC) |
| Date | Domain | IP |
| 2020.duolingo.com | 2021-02-25 | 54.230.126.11 |
| 2021.duolingo.com | 2025-01-12 | 54.165.40.136 |
| ios-api-2.duolingo.com | 2024-09-07 | 34.226.73.199 |
| schools-v2.duolingo.com | 2024-07-22 | 34.230.186.109 |
| englishtest-stage-7.duolingo.com | 2024-06-02 | 104.18.16.230 |
| httpsenglishtest-stage-7.duolingo.com | 2024-08-31 | 54.165.40.136 |
| ja.duolingo.com | 2025-05-24 | 44.212.105.57 |
| athena.duolingo.com | 2024-09-13 | 184.72.124.184 |
| ta.duolingo.com | 2025-05-05 | 52.201.64.68 |
| tts-data.duolingo.com | 2024-08-26 | 108.157.142.110 |
| duolingo-api-web.duolingo.com | 2025-05-23 | 3.89.237.148 |
| duolingo-forum-web.duolingo.com | 2019-10-18 | 13.224.29.90 |
| duolingo-web.duolingo.com | 2025-08-27 | 18.161.6.71 |
| duolingo-incubator-web.duolingo.com | 2025-05-18 | 108.138.94.29 |
| brb.duolingo.com | 2024-04-04 | 108.138.94.75 |
| club.duolingo.com | 2025-07-26 | 52.203.148.76 |
| abc.duolingo.com | 2025-01-03 | 18.238.217.125 |
| static.duolingo.com | 2015-01-13 | 54.230.91.38 |
| public-static.duolingo.com | 2024-08-09 | 3.163.24.55 |
| incubator-testbed.duolingo.com | 2015-02-11 | 54.165.40.136 |
| id.duolingo.com | 2023-09-03 | 3.224.239.117 |
| math-prod.duolingo.com | 2024-05-06 | 18.213.194.253 |