iP or domain name lookup

521n.xyz Server iP：

Current resolution：

domain resolution record：

2022-02-22-----2022-05-16 52.8.203.224

2022-03-19-----2022-03-19 45.79.19.196

2022-03-12-----2022-03-13 173.255.194.134

2022-03-12-----2022-03-12 45.33.20.235

2022-03-10-----2022-03-10 72.14.185.43

2019-12-11-----2020-01-03 122.114.176.240