iP or domain name lookup

chenchaohome1.no-ip.org Server iP：

Current resolution：

domain resolution record：

2019-10-02-----2019-10-02 23.23.86.44

2017-02-06-----2017-02-06 31.13.68.18

2017-02-06-----2017-02-06 74.125.155.113

2016-10-20-----2016-10-20 111.175.221.58

2016-02-15-----2016-02-15 221.204.244.36

2016-02-15-----2016-02-15 221.192.153.41

2016-02-15-----2016-02-15 202.102.110.203

2016-02-15-----2016-02-15 218.30.64.194

2016-02-15-----2016-02-15 123.129.254.11