iP or domain name lookup

ps1.speed.qq.com Server iP：

Current resolution：

domain resolution record：

2022-09-21-----2022-09-21 157.255.192.77

2022-09-21-----2022-09-21 120.241.190.27

2022-09-21-----2022-09-21 59.36.121.67

2022-09-21-----2022-09-21 121.51.179.144

2018-05-16-----2021-06-16 183.232.96.75

2018-05-16-----2021-06-16 121.51.131.36

2018-05-16-----2021-06-16 183.3.235.191

2018-05-16-----2021-06-16 58.251.81.169