iP or domain name lookup

1.layer.applinzi.com Server iP：

Current resolution：

domain resolution record：

2019-06-17-----2019-07-15 220.181.136.150

2019-06-17-----2019-07-15 220.181.136.170

2017-08-28-----2018-01-17 202.108.35.250

2017-08-28-----2018-01-17 202.108.35.235

2017-08-26-----2017-08-28 202.108.35.237

2017-08-26-----2017-08-28 202.108.35.194

2017-08-01-----2017-08-01 220.181.136.55

2017-08-01-----2017-08-01 220.181.136.27

2017-08-01-----2017-08-01 220.181.136.41