iP or domain name lookup

ot.yuedu.sogou.com Server iP：

Current resolution：

domain resolution record：

2021-07-31-----2021-10-17 123.126.51.109

2021-07-16-----2021-10-14 220.249.46.40

2021-07-16-----2021-10-07 39.156.166.40

2021-07-16-----2021-10-07 49.7.20.42

2021-07-16-----2021-10-07 211.159.235.216

2021-07-16-----2021-10-07 49.7.115.34

2021-07-16-----2021-10-07 49.7.115.33

2021-07-16-----2021-10-07 220.249.46.39

2021-07-16-----2021-10-07 39.156.166.41

2021-07-27-----2021-10-07 123.126.51.104