iP or domain name lookup

www.casio.jp Server iP：

Current resolution：

domain resolution record：

2019-07-09-----2019-10-10 54.238.171.60

2019-10-01-----2019-10-10 52.68.241.239

2019-07-09-----2019-07-10 54.178.180.41

2016-11-15-----2016-12-02 54.92.50.52

2016-11-15-----2016-12-01 54.238.216.240