iP or domain name lookup

nas.chxun.com Server iP：

Current resolution：

domain resolution record：

2023-04-08-----2023-04-08 121.23.136.12

2022-01-26-----2022-01-26 120.7.76.16

2021-12-13-----2021-12-13 120.7.79.102

2021-04-13-----2021-04-13 124.238.176.36

2021-04-13-----2021-04-13 123.182.187.15

2020-04-09-----2021-04-10 123.182.187.88

2021-04-01-----2021-04-01 123.182.184.18

2020-07-01-----2020-07-01 123.182.187.65

2020-03-05-----2020-03-05 123.182.185.181