iP or domain name lookup

lgt520.com Server iP：

Current resolution：

domain resolution record：

2019-03-31-----2020-05-01 121.137.131.233

2019-07-15-----2020-05-01 103.232.87.82

2019-07-15-----2019-07-15 154.220.2.19

2019-03-31-----2019-03-31 137.175.12.11

2017-05-27-----2017-05-27 104.31.154.3

2017-05-27-----2017-05-27 104.31.155.3

2017-04-27-----2017-04-28 104.18.63.169

2017-04-27-----2017-04-28 104.18.62.169

2017-04-27-----2017-04-27 104.31.250.8

2017-04-27-----2017-04-27 104.31.251.8

2017-04-14-----2017-04-25 162.218.54.203

2017-04-14-----2017-04-25 162.218.54.205

2017-04-14-----2017-04-25 162.218.54.204