iP or domain name lookup

2021.ddns.net Server iP：

Current resolution：

domain resolution record：

2022-10-08-----2022-10-08 83.11.184.251

2022-01-11-----2022-01-11 83.21.241.207

2022-01-08-----2022-01-08 79.186.80.50

2021-12-28-----2021-12-28 83.21.255.193

2021-11-23-----2021-11-23 83.21.217.57

2021-11-05-----2021-11-06 83.21.234.117

2021-09-30-----2021-09-30 79.186.86.122

2021-08-11-----2021-08-11 79.186.4.234

2021-08-02-----2021-08-02 79.186.15.240

2021-02-24-----2021-04-25 178.33.132.125