iP or domain name lookup

51p2b.com Server iP：

Current resolution：

domain resolution record：

2026-01-11-----2026-01-11 104.21.84.211

2026-01-11-----2026-01-11 172.67.197.38

2022-05-09-----2022-05-09 170.178.187.5

2018-01-03-----2018-01-03 119.28.48.217

2017-04-09-----2017-04-09 49.51.11.89

2017-03-19-----2017-04-02 49.51.10.192

2017-02-02-----2017-02-02 119.28.48.227

2017-01-02-----2017-01-04 119.28.48.228