iP or domain name lookup

cngoogle.net Server iP：

Current resolution：

domain resolution record：

2021-08-11-----2021-08-24 72.52.179.174

2020-12-31-----2021-08-11 172.67.157.209

2021-04-24-----2021-08-11 104.21.8.193

2020-12-31-----2020-12-31 104.28.23.252

2020-12-31-----2020-12-31 104.28.22.252

2019-06-26-----2019-12-19 123.125.114.144

2017-04-26-----2017-04-26 104.18.48.205

2017-04-26-----2017-04-26 104.18.49.205

2017-04-03-----2017-04-03 71.18.99.22

2017-04-03-----2017-04-03 50.118.20.2