iP or domain name lookup

vvww.rafburger.com Server iP：

Current resolution：

domain resolution record：

2021-07-30-----2021-08-04 104.253.76.233

2021-07-20-----2021-07-20 50.117.22.38

2021-07-16-----2021-07-17 107.187.77.48

2021-07-11-----2021-07-13 166.88.116.204

2021-06-19-----2021-06-29 164.155.125.251

2021-06-19-----2021-06-19 104.253.193.200