iP or domain name lookup

2011suming.xicp.net Server iP：

Current resolution：

domain resolution record：

2019-07-17-----2022-05-08 61.142.176.23

2017-02-14-----2017-02-14 121.229.7.252

2017-02-07-----2017-02-08 180.110.3.18

2017-02-08-----2017-02-08 117.88.173.200

2017-02-08-----2017-02-08 49.74.119.26

2017-01-23-----2017-02-07 106.75.65.187

2017-02-04-----2017-02-04 121.229.6.209

2017-02-03-----2017-02-03 121.229.26.149

2017-01-21-----2017-01-23 49.77.51.66

2017-01-11-----2017-01-12 114.222.98.129