iP or domain name lookup

han2506.xicp.net Server iP：

Current resolution：

domain resolution record：

2019-07-17-----2021-07-28 61.142.176.23

2016-12-23-----2016-12-23 223.100.71.235

2016-12-22-----2016-12-22 223.100.71.186

2016-12-21-----2016-12-21 223.100.71.150

2016-12-21-----2016-12-21 106.75.65.187