iP or domain name lookup

englishtest.duolingo.com Server iP：

Current resolution：

domain resolution record：

2025-12-12-----2025-12-20 54.144.181.56

2025-12-12-----2025-12-20 52.45.44.244

2025-12-20-----2025-12-20 13.223.23.190

2025-12-20-----2025-12-20 44.198.84.10

2025-12-20-----2025-12-20 52.73.103.167

2025-12-12-----2025-12-12 52.204.202.94

2025-12-12-----2025-12-12 3.86.18.155

2025-12-12-----2025-12-12 54.85.9.91

2025-10-14-----2025-10-14 54.221.159.77

2025-10-14-----2025-10-14 35.169.185.103

2025-10-14-----2025-10-14 3.227.133.30

2025-10-14-----2025-10-14 34.196.237.23

2025-10-14-----2025-10-14 54.236.110.61

2025-07-30-----2025-07-30 52.204.183.184

2025-07-30-----2025-07-30 52.206.221.75

2025-07-30-----2025-07-30 54.83.51.6

2025-07-04-----2025-07-04 52.54.197.196

2025-07-04-----2025-07-04 3.229.41.235

2025-07-04-----2025-07-04 34.193.187.241

2025-07-04-----2025-07-04 23.21.44.13

2025-04-29-----2025-04-29 3.224.176.12

2025-04-29-----2025-04-29 34.231.237.168

2025-04-29-----2025-04-29 107.23.104.30

2025-04-29-----2025-04-29 44.208.181.65

2025-03-26-----2025-03-26 3.228.233.169

2025-03-26-----2025-03-26 34.233.81.5

2025-03-26-----2025-03-26 34.236.135.254

2025-03-26-----2025-03-26 34.231.22.187

2025-03-08-----2025-03-08 52.0.230.183

2025-03-08-----2025-03-08 44.199.79.29

2025-03-08-----2025-03-08 52.201.164.210

2024-11-25-----2024-11-25 3.209.88.248

2024-11-25-----2024-11-25 3.221.233.123

2024-11-25-----2024-11-25 3.93.119.96

2024-08-30-----2024-08-30 44.209.131.254

2024-08-30-----2024-08-30 52.21.204.67

2024-08-30-----2024-08-30 3.222.244.1

2024-08-30-----2024-08-30 34.199.45.7

2024-06-25-----2024-06-29 3.211.49.29

2024-06-25-----2024-06-29 52.203.162.26

2024-06-25-----2024-06-25 54.83.155.24

2024-06-14-----2024-06-14 52.206.24.163

2024-06-14-----2024-06-14 3.211.254.145

2024-06-14-----2024-06-14 34.239.191.69

2024-05-18-----2024-05-23 52.6.73.119

2024-05-23-----2024-05-23 44.197.88.75

2024-05-18-----2024-05-21 3.214.230.149

2024-05-21-----2024-05-21 3.233.111.194

2024-05-21-----2024-05-21 52.7.29.200

2024-05-18-----2024-05-18 44.215.14.188