iP or domain name lookup

ping.sogou.com Server iP：

Current resolution：

domain resolution record：

2017-03-23-----2022-09-08 123.126.51.104

2017-06-16-----2022-09-08 123.126.51.109

2020-03-05-----2022-09-08 49.7.20.42

2020-09-20-----2022-09-08 220.249.46.39

2020-09-20-----2022-09-08 220.249.46.40

2020-09-20-----2022-09-08 49.7.115.34

2020-09-20-----2022-09-08 49.7.115.33

2022-09-08-----2022-09-08 39.156.166.50

2022-09-08-----2022-09-08 39.156.166.49

2020-07-01-----2022-08-08 211.159.235.216

2022-05-07-----2022-05-07 39.156.166.41

2017-03-23-----2020-08-14 111.202.102.35

2020-06-20-----2020-08-14 49.7.176.50

2017-06-16-----2020-07-02 111.202.102.36

2018-05-21-----2020-06-20 211.159.235.58

2019-03-17-----2020-06-20 211.159.235.146

2017-03-23-----2020-04-26 106.120.151.145

2017-03-23-----2020-04-26 106.120.151.146

2017-06-16-----2019-11-12 218.30.103.43

2017-08-26-----2019-11-12 218.30.103.56

2019-03-17-----2019-11-12 221.179.183.49

2019-07-15-----2019-11-12 221.179.183.10

2017-03-23-----2018-08-13 106.120.188.191

2017-03-23-----2018-08-13 36.110.147.123

2017-06-16-----2018-08-13 106.120.188.190

2017-12-11-----2018-05-21 36.110.147.124

2017-03-23-----2018-01-17 111.13.94.20

2017-06-16-----2017-09-03 111.13.94.21

2017-03-23-----2017-03-23 121.195.187.60