iP or domain name lookup

ad.qun.qq.com Server iP：

Current resolution：

domain resolution record：

2017-10-24-----2021-07-02 183.57.48.94

2017-10-24-----2021-07-02 121.51.0.22

2018-11-16-----2021-07-02 58.247.214.51

2018-11-16-----2021-07-02 220.194.95.152

2018-11-16-----2021-07-02 123.151.190.152

2018-11-16-----2021-07-02 61.129.7.51

2019-11-23-----2021-07-02 203.205.254.34

2019-11-23-----2021-07-02 112.60.8.87

2018-11-16-----2021-02-17 182.254.57.11

2018-04-16-----2019-08-26 203.205.142.174

2018-11-16-----2019-08-26 120.198.201.242

2017-10-24-----2018-04-16 58.250.9.26