iP or domain name lookup

a51809df4950.sn.mynetname.net Server iP：

Current resolution：

domain resolution record：

2023-10-12-----2023-10-12 183.252.92.24

2023-07-12-----2023-07-12 183.252.92.100

2023-05-24-----2023-05-24 183.252.94.169

2022-08-16-----2022-08-17 120.35.189.168

2021-12-08-----2021-12-08 120.34.10.224

2021-11-12-----2021-11-12 120.40.160.120

2020-05-23-----2020-05-23 110.85.202.214

2019-10-23-----2019-10-23 218.67.34.131

2019-09-28-----2019-09-29 27.157.62.176

2019-09-15-----2019-09-15 27.157.74.195