iP or domain name lookup

mail.ur.com.cn Server iP：

Current resolution：

domain resolution record：

2021-09-18-----2024-04-16 14.17.27.155

2021-09-18-----2024-04-16 112.90.80.101

2021-09-18-----2024-04-16 112.60.20.236

2021-12-03-----2024-04-16 129.226.102.73

2023-09-11-----2023-09-13 109.244.184.102

2019-11-09-----2021-09-18 203.205.254.225

2019-06-20-----2021-07-03 121.51.130.237

2019-06-20-----2021-07-03 58.250.136.39

2019-06-20-----2021-07-03 58.251.81.43

2019-06-20-----2021-07-03 183.3.235.87

2019-06-20-----2021-07-03 121.51.8.59

2019-11-09-----2021-07-03 203.205.253.154

2019-06-20-----2019-10-12 203.205.151.66

2019-07-15-----2019-07-15 203.205.146.111

2017-08-06-----2017-08-07 183.232.89.23

2017-08-06-----2017-08-06 163.177.84.40

2017-08-06-----2017-08-06 58.251.81.125

2017-08-06-----2017-08-06 14.17.32.186

2017-08-06-----2017-08-06 183.232.96.87

2017-08-06-----2017-08-06 14.215.140.84