iP or domain name lookup

dmz.0591ibm.com Server iP：

Current resolution：

domain resolution record：

2023-08-06-----2023-08-06 45.33.2.79

2021-04-27-----2021-06-07 180.215.129.22

2021-06-07-----2021-06-07 185.215.214.182

2021-04-27-----2021-04-27 185.193.39.176

2020-12-13-----2021-02-09 212.95.146.142

2021-02-02-----2021-02-09 185.194.236.33

2020-12-15-----2020-12-16 52.128.23.153

2020-11-06-----2020-12-09 212.95.157.96

2020-08-07-----2020-11-06 23.225.102.10

2020-08-06-----2020-08-28 45.220.85.96

2020-08-07-----2020-08-28 23.251.52.52

2020-08-06-----2020-08-07 23.251.52.10

2020-08-06-----2020-08-06 23.251.52.216