iP or domain name lookup

job.atmarkit.co.jp Server iP：

Current resolution：

domain resolution record：

2023-04-30-----2023-04-30 54.250.37.179

2023-04-30-----2023-04-30 13.231.42.169

2023-03-02-----2023-03-02 54.178.237.75

2023-03-02-----2023-03-02 52.199.75.22

2022-03-09-----2022-03-09 52.199.112.14

2021-11-26-----2021-11-26 3.114.46.113

2021-11-26-----2021-11-26 52.199.229.77

2021-11-26-----2021-11-26 52.69.90.230

2021-11-26-----2021-11-26 54.178.250.156

2019-07-15-----2019-07-16 52.192.95.53

2019-07-15-----2019-07-16 13.113.185.135

2019-02-13-----2019-02-13 13.112.76.24

2019-02-13-----2019-02-13 54.178.161.186

2018-03-31-----2018-04-14 52.68.46.243

2018-03-31-----2018-04-13 54.65.45.225