iP or domain name lookup

m.81book.org Server iP：

Current resolution：

domain resolution record：

2025-10-11-----2026-02-02 104.21.63.47

2025-10-11-----2026-02-02 172.67.143.179

2026-02-02-----2026-02-02 127.0.1.1

2024-12-31-----2024-12-31 172.67.128.56

2024-12-31-----2024-12-31 104.21.0.192

2022-08-22-----2022-09-29 45.136.12.15

2020-12-10-----2020-12-10 52.128.23.153

2020-11-22-----2020-11-22 69.172.201.208

2020-02-04-----2020-07-03 103.112.187.15