iP or domain name lookup

www.251u.com Server iP：

Current resolution：

domain resolution record：

2024-04-26-----2024-04-26 45.56.79.23

2020-11-08-----2022-10-26 115.231.154.37

2020-11-03-----2020-11-03 121.204.247.27

2019-07-14-----2019-12-21 27.159.82.97

2019-03-13-----2019-03-13 122.114.0.143

2017-09-25-----2017-12-07 103.36.211.12

2017-09-25-----2017-12-07 183.134.58.12

2017-09-25-----2017-12-07 223.111.185.160

2017-04-08-----2017-05-11 218.200.14.17

2017-04-08-----2017-05-10 211.149.156.222