iP or domain name lookup

prod.appnexus.map.fastly.net Server iP：

Current resolution：

domain resolution record：

2017-06-16-----2023-04-06 151.101.77.108

2019-07-15-----2023-04-06 151.101.109.108

2023-02-07-----2023-04-06 146.75.113.108

2023-02-07-----2023-02-07 151.101.1.108

2019-07-15-----2019-12-04 151.101.41.108

2019-10-15-----2019-12-04 151.101.9.108

2019-12-03-----2019-12-04 151.101.13.108

2019-07-16-----2019-12-03 151.101.25.108

2019-07-15-----2019-07-15 151.101.229.108

2017-06-16-----2017-06-16 151.101.89.108

2017-06-16-----2017-06-16 151.101.73.108

2017-06-16-----2017-06-16 151.101.129.108