iP or domain name lookup

vrapp.sinaapp.com Server iP：

Current resolution：

domain resolution record：

2023-01-14-----2024-01-03 127.0.0.1

2019-07-17-----2021-03-01 220.181.136.170

2019-07-17-----2021-03-01 220.181.136.150

2020-05-02-----2021-03-01 220.181.136.132

2020-05-02-----2020-05-02 220.181.136.130

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

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

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

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

2017-04-11-----2017-04-22 202.108.35.225

2017-04-11-----2017-04-22 202.108.35.224

2017-04-11-----2017-04-22 220.181.136.27

2017-04-22-----2017-04-22 220.181.136.41

2017-04-11-----2017-04-11 220.181.136.43