iP or domain name lookup

nju-edu.com Server iP：

Current resolution：

domain resolution record：

2024-04-20-----2024-04-24 47.99.129.15

2022-07-03-----2022-07-03 47.242.48.141

2020-05-01-----2022-03-17 211.149.142.173

2019-08-20-----2019-08-23 23.234.27.100

2018-01-09-----2019-07-16 211.149.217.235

2017-03-25-----2017-04-06 218.200.14.16

2017-03-25-----2017-04-06 211.149.154.70