iP or domain name lookup

modelling.jnu.edu.cn Server iP：

Current resolution：

domain resolution record：

2019-06-02-----2019-07-22 159.69.42.212

2017-12-14-----2019-01-03 58.248.169.242

2017-12-14-----2019-01-03 120.197.46.2

2017-12-14-----2019-01-03 218.19.141.2

2019-01-03-----2019-01-03 42.101.71.13

2019-01-03-----2019-01-03 42.101.71.14

2018-01-21-----2018-01-21 104.124.236.251

2017-09-18-----2017-09-18 104.116.243.16

2017-09-18-----2017-09-18 218.19.141.16

2017-09-18-----2017-09-18 58.248.169.240

2017-09-18-----2017-09-18 120.197.46.16