iP or domain name lookup

nmtp.youdao.com Server iP：

Current resolution：

domain resolution record：

2022-04-01-----2023-12-28 103.74.50.105

2022-04-01-----2023-12-28 103.74.50.106

2023-08-20-----2023-12-28 106.38.231.42

2023-12-28-----2023-12-28 103.74.50.116

2022-04-01-----2023-08-20 103.74.50.133

2022-04-01-----2023-02-13 103.74.50.134

2023-01-23-----2023-02-13 106.38.231.41

2022-04-01-----2022-04-01 103.129.255.13