iP or domain name lookup

ssyy.6600.org Server iP：

Current resolution：

domain resolution record：

2019-09-25-----2019-10-22 23.23.86.44

2018-01-22-----2018-01-23 220.170.221.162

2017-12-15-----2017-12-15 220.170.222.134

2017-12-07-----2017-12-07 220.170.223.39

2017-09-05-----2017-09-05 220.170.223.205

2017-09-04-----2017-09-04 220.170.223.111

2017-09-03-----2017-09-03 220.170.222.248

2017-08-26-----2017-08-27 220.170.220.237

2017-08-27-----2017-08-27 220.170.222.34

2017-06-15-----2017-06-16 220.170.223.176

2017-06-09-----2017-06-09 220.170.222.145