iP or domain name lookup

www.duolingo.cn Server iP：

Current resolution：

domain resolution record：

2021-10-30-----2024-12-25 139.196.36.248

2021-07-28-----2021-09-30 52.204.86.89

2021-07-28-----2021-09-30 52.5.110.98

2021-08-07-----2021-09-30 44.195.198.174

2021-09-11-----2021-09-30 18.214.247.166

2021-09-11-----2021-09-30 52.72.242.240

2021-09-11-----2021-09-30 34.196.216.196

2021-09-11-----2021-09-30 18.215.194.130

2021-09-30-----2021-09-30 54.146.233.139

2021-09-30-----2021-09-30 52.71.217.178

2021-09-11-----2021-09-11 3.93.127.242

2021-09-11-----2021-09-11 44.197.98.104

2021-09-11-----2021-09-11 3.217.177.253

2021-09-11-----2021-09-11 34.199.233.227

2021-07-02-----2021-08-07 54.227.123.199

2021-07-02-----2021-08-07 3.221.116.52

2021-07-28-----2021-08-07 3.210.196.198

2021-07-28-----2021-08-07 52.1.85.20

2021-07-28-----2021-07-28 34.233.195.188

2021-07-02-----2021-07-02 34.194.227.229

2021-07-02-----2021-07-02 54.225.111.61

2021-07-02-----2021-07-02 3.94.217.247

2021-07-02-----2021-07-02 34.237.57.93

2021-07-02-----2021-07-02 18.213.121.197

2021-07-02-----2021-07-02 3.224.232.161

2021-01-19-----2021-04-15 52.23.121.108

2021-01-19-----2021-04-15 52.45.236.88

2021-01-19-----2021-04-15 52.21.116.209

2021-04-15-----2021-04-15 54.174.108.30

2020-11-17-----2020-12-15 18.233.199.51

2020-11-17-----2020-12-15 34.199.29.188

2020-11-17-----2020-12-15 3.225.60.108

2020-11-17-----2020-12-15 54.163.118.169

2020-07-09-----2020-08-08 52.86.196.7

2020-07-09-----2020-08-08 18.205.49.36

2020-07-09-----2020-08-08 100.26.75.208

2020-07-09-----2020-08-08 3.211.32.58

2020-04-03-----2020-05-31 52.0.163.61

2020-04-03-----2020-05-31 52.0.5.222

2020-04-03-----2020-05-31 52.2.48.226

2020-04-03-----2020-05-31 52.1.37.224

2020-02-02-----2020-03-13 107.23.234.170

2020-02-02-----2020-03-13 3.222.212.40

2020-02-02-----2020-03-13 34.231.124.21

2020-02-18-----2020-03-13 34.192.222.38

2020-02-02-----2020-02-02 34.236.76.118

2019-09-27-----2019-10-31 54.85.232.21

2019-09-27-----2019-10-31 52.71.105.54

2019-09-27-----2019-10-31 107.21.172.181

2019-10-31-----2019-10-31 34.235.235.187