iP or domain name lookup

pc.citydh.com Server iP：

Current resolution：

domain resolution record：

2025-10-29-----2025-10-29 104.21.7.213

2025-10-29-----2025-10-29 172.67.188.10

2017-08-06-----2017-08-07 150.138.216.175

2017-08-07-----2017-08-07 183.232.237.194

2017-08-06-----2017-08-06 171.11.231.2

2017-08-06-----2017-08-06 183.158.35.41

2017-08-06-----2017-08-06 220.170.51.2

2017-08-06-----2017-08-06 123.132.254.154

2017-08-06-----2017-08-06 61.146.115.61

2017-08-06-----2017-08-06 117.27.142.28

2017-08-06-----2017-08-06 120.221.19.218