iP or domain name lookup

xj.rsedu.com Server iP：

Current resolution：

domain resolution record：

2019-08-20-----2019-12-04 172.30.44.82

2016-12-22-----2017-12-01 222.135.127.253

2016-12-21-----2016-12-22 42.56.65.150

2016-12-21-----2016-12-22 119.167.164.43

2016-12-21-----2016-12-22 220.194.79.44

2016-12-21-----2016-12-22 1.180.204.173

2016-12-21-----2016-12-22 111.13.3.44

2016-12-21-----2016-12-22 122.228.251.43

2016-12-21-----2016-12-22 112.29.196.174

2016-12-22-----2016-12-22 123.125.46.43

2016-12-22-----2016-12-22 42.236.126.174

2016-12-21-----2016-12-21 42.236.125.44

2016-12-21-----2016-12-21 183.95.154.13