iP or domain name lookup

iotn.7766.org Server iP：

Current resolution：

domain resolution record：

2019-10-11-----2019-11-28 23.23.86.44

2018-01-23-----2018-01-23 115.228.54.175

2017-12-15-----2017-12-15 115.228.56.187

2017-09-04-----2017-09-05 183.140.252.14

2017-09-03-----2017-09-03 115.229.28.39

2017-08-26-----2017-08-27 60.163.84.198

2016-12-14-----2016-12-15 115.229.18.120

2016-12-14-----2016-12-14 115.229.30.217

2016-12-14-----2016-12-14 115.229.22.108