iP or domain name lookup

de81.com Server iP：

Current resolution：

domain resolution record：

2022-08-01-----2024-10-17 39.103.155.58

2021-08-30-----2022-07-04 39.103.161.244

2020-08-20-----2021-01-25 121.40.101.66

2020-08-12-----2020-08-12 116.140.34.78