iP or domain name lookup

sqnc.edu.cn Server iP：

Current resolution：

domain resolution record：

2022-03-14-----2022-03-14 45.79.19.196

2022-03-12-----2022-03-12 45.33.2.79

2022-03-12-----2022-03-12 173.255.194.134

2022-03-12-----2022-03-12 45.33.30.197

2019-12-20-----2019-12-20 159.69.42.212

2019-12-17-----2019-12-17 159.69.186.9

2019-12-15-----2019-12-15 159.69.83.207

2016-06-09-----2016-06-09 211.84.64.6

2016-06-09-----2016-06-09 211.84.64.8

2016-06-09-----2016-06-09 211.84.64.10

2016-06-09-----2016-06-09 211.84.64.80

2016-04-18-----2016-04-20 211.84.64.20