iP or domain name lookup

sjtu317.sedns.cn Server iP：

Current resolution：

domain resolution record：

2021-01-13-----2022-08-19 54.153.56.183

2019-08-09-----2019-11-29 78.142.29.210

2019-08-17-----2019-10-13 79.124.78.120

2018-09-18-----2018-10-22 221.179.46.190

2016-04-27-----2016-10-25 221.192.153.41

2016-08-30-----2016-10-25 111.175.221.58

2016-08-30-----2016-10-23 221.204.244.36

2016-05-24-----2016-05-24 218.30.64.194

2016-04-27-----2016-04-27 202.102.110.203

2016-04-26-----2016-04-26 101.231.140.142