iP or domain name lookup

sq51.pg.qq.com Server iP：

Current resolution：

domain resolution record：

2021-02-27-----2022-09-27 0.0.0.1

2018-12-07-----2021-02-23 116.128.137.120

2018-12-07-----2021-02-23 101.89.17.120

2018-12-07-----2021-02-23 183.192.169.161

2018-12-07-----2021-02-23 61.151.165.161

2018-12-07-----2021-02-23 203.205.255.120

2018-12-13-----2021-02-23 121.51.79.120

2019-04-10-----2021-02-23 115.236.130.123

2019-04-10-----2021-02-23 58.217.244.106

2019-04-10-----2021-02-23 183.247.243.105

2019-04-10-----2021-02-23 101.67.2.105

2018-12-07-----2021-02-21 116.128.133.161

2018-12-07-----2021-02-21 121.51.73.161

2018-12-07-----2021-02-21 117.184.247.120

2019-05-27-----2021-02-21 36.152.59.142

2019-04-10-----2021-02-20 122.97.142.108