iP or domain name lookup

ctt.ctt9.com Server iP：

Current resolution：

domain resolution record：

2023-08-10-----2023-08-10 72.14.185.43

2022-04-03-----2022-04-03 172.247.231.124

2019-07-07-----2019-10-13 209.99.64.52

2019-07-07-----2019-10-09 209.99.64.53

2017-01-02-----2017-03-15 23.252.163.84

2017-02-17-----2017-03-15 122.10.94.184

2017-01-02-----2017-03-14 119.28.11.91

2017-01-02-----2017-03-14 203.111.255.167

2017-01-16-----2017-03-14 23.252.163.26

2017-01-16-----2017-03-14 45.116.144.113

2017-03-14-----2017-03-14 121.201.42.52

2017-03-14-----2017-03-14 103.248.36.93

2017-01-02-----2017-02-27 121.201.67.25

2017-01-02-----2017-02-27 103.248.36.92

2017-01-02-----2017-02-27 124.172.190.214

2017-01-02-----2017-02-27 58.84.54.34

2017-01-16-----2017-02-27 119.28.14.167