iP or domain name lookup

web.sms137.com Server iP：

Current resolution：

domain resolution record：

2023-07-26-----2023-07-26 45.33.30.197

2019-07-14-----2020-04-16 60.174.233.148

2017-02-19-----2017-02-19 184.168.221.29

2017-02-19-----2017-02-19 50.63.202.1

2017-02-19-----2017-02-19 184.168.221.14

2017-02-19-----2017-02-19 50.63.202.3

2017-02-19-----2017-02-19 184.168.221.2

2017-02-19-----2017-02-19 50.63.202.24

2017-02-19-----2017-02-19 50.63.202.8

2017-02-19-----2017-02-19 50.63.202.14

2017-02-19-----2017-02-19 184.168.221.26