iP or domain name lookup

hjc.po888.net Server iP：

Current resolution：

domain resolution record：

2020-09-19-----2024-03-28 104.21.233.135

2020-09-19-----2024-03-28 104.21.233.136

2018-10-23-----2020-06-05 104.31.13.171

2018-10-23-----2020-06-05 104.31.12.171

2018-04-03-----2018-04-06 104.31.3.181

2018-04-03-----2018-04-03 104.31.2.181

2016-12-18-----2016-12-19 104.31.6.154

2016-12-18-----2016-12-18 104.31.7.154

2016-01-14-----2016-01-14 210.211.31.179