iP or domain name lookup

yunrongtong.com Server iP：

Current resolution：

domain resolution record：

2019-03-29-----2019-09-25 47.90.98.171

2018-08-17-----2018-09-28 43.228.242.254

2018-09-28-----2018-09-28 208.91.198.38

2017-09-16-----2017-09-17 216.58.200.238

2017-09-16-----2017-09-16 172.217.27.142

2017-09-16-----2017-09-16 216.58.200.46

2017-09-16-----2017-09-16 172.217.24.14

2016-01-04-----2016-09-21 216.58.221.110

2016-09-11-----2016-09-21 216.58.199.110

2016-01-04-----2016-09-12 216.58.197.110

2016-01-04-----2016-09-12 216.58.221.142

2016-09-11-----2016-09-12 216.58.221.238

2016-09-11-----2016-09-12 216.58.199.14

2016-09-11-----2016-09-12 216.58.203.46

2016-09-11-----2016-09-11 37.61.54.158

2016-09-11-----2016-09-11 216.58.203.14

2016-01-04-----2016-01-04 216.58.221.46

2016-01-04-----2016-01-04 216.58.221.78