iP or domain name lookup

aterm.jp Server iP：

Current resolution：

domain resolution record：

2021-12-19-----2021-12-19 54.249.251.57

2021-12-19-----2021-12-19 13.112.101.65

2021-02-16-----2021-03-20 52.193.161.62

2021-03-12-----2021-03-20 54.250.132.7

2021-02-16-----2021-02-16 13.113.70.250

2020-10-17-----2020-10-17 52.198.123.89

2020-10-17-----2020-10-17 54.199.205.188

2020-05-23-----2020-05-23 52.199.117.107

2020-05-23-----2020-05-23 54.238.171.60

2019-07-23-----2019-07-23 54.64.214.178

2019-07-23-----2019-07-23 54.92.7.90