iP or domain name lookup

k51666.com Server iP：

Current resolution：

domain resolution record：

2020-04-30-----2024-08-07 116.255.186.64

2018-01-12-----2020-04-09 116.255.186.28

2017-08-26-----2018-01-12 116.255.245.201

2017-08-19-----2017-08-20 180.86.16.157

2016-12-07-----2017-07-08 180.86.143.142