iP or domain name lookup

flvsp.sinaapp.com Server iP：

Current resolution：

domain resolution record：

2019-07-17-----2020-04-25 220.181.136.150

2020-01-15-----2020-04-25 220.181.136.132

2020-01-15-----2020-04-25 220.181.136.130

2019-07-17-----2020-01-15 220.181.136.170

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

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

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

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

2017-02-18-----2017-02-18 221.179.190.242

2017-02-17-----2017-02-17 220.181.136.55

2017-02-17-----2017-02-17 220.181.136.41

2017-02-17-----2017-02-17 123.125.23.171

2017-02-17-----2017-02-17 220.181.136.27

2017-02-17-----2017-02-17 220.181.136.30

2017-02-17-----2017-02-17 221.179.190.241

2017-02-17-----2017-02-17 123.125.23.172