iP or domain name lookup

sf.wooolnews.com Server iP：

Current resolution：

domain resolution record：

2020-05-18-----2020-05-18 107.186.235.7

2019-10-24-----2019-10-24 79.124.78.105

2017-10-29-----2017-10-30 50.63.202.19

2017-10-29-----2017-10-30 184.168.221.6

2017-10-29-----2017-10-30 184.168.221.19

2017-10-29-----2017-10-30 184.168.221.3

2017-10-29-----2017-10-30 184.168.221.10

2017-10-30-----2017-10-30 184.168.221.2

2017-10-30-----2017-10-30 50.63.202.1

2017-10-30-----2017-10-30 50.63.202.20

2017-10-29-----2017-10-29 184.168.221.24