iP or domain name lookup

dev.m.sogou.com Server iP：

Current resolution：

domain resolution record：

2021-06-01-----2021-10-17 111.202.100.56

2021-06-01-----2021-10-07 220.249.46.34

2021-06-01-----2021-10-07 49.7.176.52

2021-06-01-----2021-10-07 61.232.10.129

2021-06-01-----2021-10-07 39.156.167.36

2021-06-01-----2021-10-07 118.191.216.57

2021-06-03-----2021-10-07 49.7.176.34

2021-06-03-----2021-10-07 36.110.147.36

2021-06-03-----2021-10-07 220.249.46.33

2021-08-29-----2021-10-07 36.110.147.35

2021-06-01-----2021-09-01 49.7.176.60

2021-06-01-----2021-09-01 49.7.21.42

2021-06-01-----2021-09-01 39.156.167.35

2021-06-16-----2021-09-01 111.202.100.60

2021-06-03-----2021-06-20 39.156.167.34

2021-06-20-----2021-06-20 211.159.235.100

2021-06-20-----2021-06-20 119.28.109.132

2021-06-16-----2021-06-16 109.244.23.123