iP or domain name lookup

grt.com Server iP：

Current resolution：

domain resolution record：

2022-09-01-----2024-05-20 3.33.152.147

2022-09-01-----2024-05-20 15.197.142.173

2021-11-22-----2021-11-22 45.11.57.36

2021-03-10-----2021-04-09 38.133.169.27

2017-07-07-----2017-12-25 104.31.65.181

2017-07-07-----2017-12-24 104.31.64.181

2016-12-18-----2017-04-29 64.140.223.35