iP or domain name lookup

cpan.org Server iP：

Current resolution：

domain resolution record：

2022-11-12-----2024-01-26 151.101.1.55

2022-11-12-----2024-01-26 151.101.193.55

2022-11-12-----2024-01-26 151.101.129.55

2022-11-12-----2024-01-26 151.101.65.55

2019-06-26-----2021-04-06 147.75.38.240

2019-02-06-----2019-02-06 207.171.7.45

2019-02-06-----2019-02-06 207.171.7.55

2016-12-06-----2017-08-17 207.171.7.91