iP or domain name lookup

pub.ottcom.cn Server iP：

Current resolution：

domain resolution record：

2024-05-09-----2024-05-09 54.153.56.183

2019-08-08-----2019-08-08 78.142.29.210

2019-07-03-----2019-08-07 79.124.78.120

2017-12-20-----2018-01-10 106.15.15.5

2017-10-25-----2017-11-28 106.15.15.6

2017-10-20-----2017-10-31 140.205.94.44

2017-10-31-----2017-10-31 106.15.15.3

2017-10-20-----2017-10-29 106.15.162.47

2017-10-29-----2017-10-29 27.221.54.34

2017-10-29-----2017-10-29 1.189.213.164

2017-10-29-----2017-10-29 221.204.62.30

2017-10-29-----2017-10-29 223.111.243.164

2017-10-29-----2017-10-29 221.204.62.29

2017-10-25-----2017-10-26 140.205.121.27

2017-10-25-----2017-10-25 106.14.53.46

2017-10-25-----2017-10-25 106.15.162.44