iP or domain name lookup

wxbainian.sinaapp.com Server iP：

Current resolution：

domain resolution record：

2019-07-17-----2020-04-29 220.181.136.150

2020-04-29-----2020-04-29 220.181.136.130

2020-04-29-----2020-04-29 220.181.136.132

2019-07-17-----2019-10-28 220.181.136.170

2017-06-12-----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

2017-06-12-----2017-06-16 220.181.136.30

2017-06-12-----2017-06-16 220.181.136.41

2017-06-12-----2017-06-16 202.108.35.225

2017-06-16-----2017-06-16 202.108.35.224

2017-06-12-----2017-06-12 202.108.35.226