iP or domain name lookup

www.rttks.com Server iP：

Current resolution：

domain resolution record：

2023-01-16-----2023-01-16 156.254.39.130

2022-07-06-----2022-12-14 202.61.188.60

2021-10-16-----2021-11-11 202.61.141.77

2021-10-01-----2021-10-01 137.220.147.105

2020-10-12-----2021-05-16 137.220.169.211