iP or domain name lookup

ri617.com Server iP：

Current resolution：

domain resolution record：

2020-04-16-----2020-04-16 198.15.185.27

2019-10-09-----2019-10-09 198.15.185.26

2019-07-19-----2019-07-19 208.91.197.46

2019-07-01-----2019-07-01 204.11.56.48

2017-12-24-----2017-12-24 146.71.46.56

2017-10-26-----2017-11-26 192.186.52.28

2017-08-05-----2017-08-05 172.107.120.95