iP or domain name lookup

images.21so.com Server iP：

Current resolution：

domain resolution record：

2019-03-14-----2020-01-17 119.23.58.146

2017-11-20-----2017-11-20 123.134.184.153

2017-11-20-----2017-11-20 61.147.232.30

2017-11-20-----2017-11-20 183.47.232.15

2017-11-20-----2017-11-20 61.147.232.26

2017-11-20-----2017-11-20 61.156.196.116

2017-11-20-----2017-11-20 183.131.64.202

2017-11-20-----2017-11-20 223.111.181.99

2017-11-20-----2017-11-20 183.131.64.215

2017-11-20-----2017-11-20 59.49.41.15

2017-11-20-----2017-11-20 114.80.216.197

2017-11-20-----2017-11-20 114.80.216.202

2017-11-20-----2017-11-20 121.12.98.139