iP or domain name lookup

ystkk.test.upcdn.net Server iP：

Current resolution：

domain resolution record：

2023-01-18-----2023-03-09 150.138.39.137

2022-11-22-----2022-11-22 221.236.18.254

2022-07-08-----2022-10-20 183.131.200.168

2022-05-28-----2022-05-28 183.131.206.29

2022-05-28-----2022-05-28 183.131.206.28

2019-05-25-----2021-01-14 183.131.200.111

2019-05-25-----2021-01-14 183.131.200.75

2019-05-25-----2021-01-14 183.131.200.86

2019-05-25-----2021-01-14 183.131.200.81

2019-06-14-----2021-01-14 183.131.200.84

2021-01-14-----2021-01-14 1.81.5.177

2020-12-29-----2021-01-08 1.81.5.190