iP or domain name lookup

521231.com Server iP：

Current resolution：

domain resolution record：

2024-04-14-----2024-04-16 15.197.192.55

2023-04-23-----2024-02-15 20.205.38.69

2024-01-17-----2024-01-17 156.251.239.28

2023-10-29-----2023-10-29 156.234.127.141

2023-08-29-----2023-10-13 156.234.127.117

2023-08-28-----2023-08-28 156.234.127.140

2023-08-19-----2023-08-19 221.228.32.13

2022-03-10-----2022-03-10 45.33.18.44

2022-03-10-----2022-03-10 173.255.194.134

2021-12-03-----2021-12-05 75.2.18.233

2021-09-20-----2021-09-20 156.226.210.69

2021-05-24-----2021-09-11 23.230.64.53

2020-12-04-----2021-03-27 104.253.151.3

2020-07-19-----2020-08-28 34.102.136.180

2020-05-04-----2020-05-22 50.63.202.47

2020-05-04-----2020-05-22 50.63.202.49

2020-05-04-----2020-05-22 50.63.202.55

2020-05-04-----2020-05-22 184.168.221.51

2020-05-04-----2020-05-22 50.63.202.43

2020-05-04-----2020-05-22 50.63.202.62

2020-05-04-----2020-05-22 184.168.221.62

2020-05-08-----2020-05-22 184.168.221.61

2020-05-22-----2020-05-22 50.63.202.60

2020-05-08-----2020-05-08 50.63.202.40

2020-05-04-----2020-05-04 184.168.221.60

2020-05-04-----2020-05-04 50.63.202.50