iP or domain name lookup

an1.com Server iP：

Current resolution：

domain resolution record：

2020-09-11-----2025-01-13 138.197.7.177

2020-09-11-----2025-01-13 46.101.241.174

2020-10-10-----2025-01-13 172.105.64.19

2020-11-19-----2025-01-13 68.183.61.79

2021-02-06-----2025-01-13 172.104.158.168

2022-07-29-----2025-01-13 104.248.128.180

2020-09-11-----2025-01-11 139.162.48.129

2020-11-11-----2025-01-11 68.183.224.170

2021-10-22-----2025-01-11 139.162.60.125

2023-07-13-----2025-01-11 159.89.192.101

2023-10-08-----2023-10-12 151.236.221.139

2020-10-10-----2021-06-16 185.20.225.107