iP or domain name lookup

xue.youdao.com Server iP：

Current resolution：

domain resolution record：

2022-11-20-----2023-07-17 103.74.50.136

2022-11-20-----2023-07-17 103.74.50.103

2022-11-20-----2023-07-17 103.74.50.135

2022-11-20-----2023-07-17 103.74.50.104

2019-06-26-----2021-01-23 103.72.47.246

2019-06-26-----2021-01-23 103.72.47.247

2017-12-12-----2019-04-03 106.2.43.19

2017-12-12-----2019-04-03 106.2.43.20

2018-09-19-----2019-04-03 106.2.43.22

2018-09-19-----2019-04-03 106.2.43.21

2017-08-16-----2017-09-03 106.2.43.10

2017-08-16-----2017-09-03 106.2.43.11