iP or domain name lookup

ns-cmn1.qq.com Server iP：

Current resolution：

domain resolution record：

2021-09-11-----2022-10-28 121.51.94.181

2021-09-11-----2022-10-28 121.51.160.207

2022-10-22-----2022-10-28 121.51.49.22

2018-11-10-----2022-04-19 182.254.52.55

2017-10-18-----2021-06-04 121.51.32.102

2018-11-10-----2021-06-04 121.51.129.28

2017-08-10-----2018-03-07 183.232.120.59

2017-11-25-----2018-03-07 182.254.20.198

2016-06-10-----2017-10-24 182.254.111.100

2016-06-10-----2017-10-18 182.254.16.102

2016-06-10-----2016-06-10 117.144.244.190