iP or domain name lookup

iu.com Server iP：

Current resolution：

domain resolution record：

2025-05-09-----2025-12-08 54.215.31.113

2025-02-26-----2025-05-25 54.193.208.148

2022-08-10-----2025-02-26 54.67.42.145

2022-08-10-----2023-10-14 54.67.93.101

2022-08-10-----2023-10-14 52.8.134.32

2021-07-24-----2022-07-22 166.88.19.181

2021-07-24-----2022-07-22 68.68.98.160

2021-07-24-----2022-07-22 166.88.19.180

2021-03-30-----2021-07-10 34.202.122.77

2021-03-30-----2021-07-10 52.0.7.30

2021-03-30-----2021-07-10 35.169.225.248

2020-12-08-----2020-12-16 52.128.23.153

2020-11-19-----2020-11-19 69.172.201.208

2020-04-16-----2020-04-16 79.124.78.105