iP or domain name lookup

sj.39.net Server iP：

Current resolution：

domain resolution record：

2025-08-03-----2025-10-13 115.231.220.253

2025-09-26-----2025-10-13 183.131.83.50

2025-09-26-----2025-10-13 111.170.148.244

2021-09-01-----2025-05-10 211.99.98.81

2021-09-01-----2025-05-10 211.99.98.95

2017-09-12-----2019-11-04 36.248.216.155

2017-09-12-----2019-11-04 121.12.110.36

2017-09-12-----2019-11-04 219.238.238.52

2017-09-12-----2019-11-04 219.238.238.42

2017-09-12-----2019-11-04 36.248.216.156

2017-09-12-----2019-11-04 121.12.110.13