iP or domain name lookup

ngaa0922.cnvpn.org Server iP：

Current resolution：

domain resolution record：

2021-10-19-----2021-10-19 100.73.215.157

2021-09-16-----2021-09-16 100.73.115.199

2021-09-14-----2021-09-14 100.74.3.48

2021-06-09-----2021-06-09 100.73.230.155

2020-04-28-----2020-04-28 100.73.166.12

2019-12-10-----2019-12-10 223.145.196.53

2019-09-04-----2019-09-05 223.145.225.131

2019-09-03-----2019-09-04 223.144.246.8

2017-11-21-----2017-11-21 223.145.163.58

2017-11-21-----2017-11-21 223.145.200.224

2017-11-18-----2017-11-18 223.145.202.223

2017-10-01-----2017-10-02 223.145.224.125