iP or domain name lookup

jbbk.me Server iP：

Current resolution：

domain resolution record：

2018-01-06-----2018-01-06 123.1.151.21

2017-12-15-----2018-01-05 128.1.163.150

2017-09-04-----2017-09-05 183.56.168.148

2017-06-29-----2017-06-30 183.2.251.164

2017-06-09-----2017-06-09 119.29.144.240

2017-03-21-----2017-03-29 139.199.98.81