iP or domain name lookup

mail.163office.com Server iP：

Current resolution：

domain resolution record：

2022-08-10-----2022-08-10 183.136.182.1

2022-08-10-----2022-08-10 103.129.255.237

2022-08-10-----2022-08-10 45.254.48.65

2022-08-10-----2022-08-10 101.71.155.44

2022-08-10-----2022-08-10 115.236.119.70

2022-08-10-----2022-08-10 112.13.121.42

2022-08-10-----2022-08-10 117.147.199.33

2017-10-13-----2017-11-06 123.125.50.215

2017-10-13-----2017-11-06 220.181.72.229