iP or domain name lookup

pages.github.com Server iP：

Current resolution：

domain resolution record：

2018-12-04-----2024-10-14 185.199.109.153

2018-12-04-----2024-10-14 185.199.108.153

2018-12-04-----2024-10-14 185.199.110.153

2018-12-04-----2024-10-14 185.199.111.153

2016-12-25-----2018-04-21 151.101.192.133

2017-10-25-----2018-04-21 151.101.0.133

2018-04-21-----2018-04-21 151.101.73.147

2018-04-21-----2018-04-21 151.101.229.147

2018-04-21-----2018-04-21 151.101.41.147

2017-06-02-----2017-11-30 151.101.72.133

2017-01-02-----2017-11-29 151.101.64.133

2017-11-29-----2017-11-29 151.101.40.133

2017-10-25-----2017-10-26 151.101.196.133

2017-06-02-----2017-08-31 151.101.76.133

2017-08-31-----2017-08-31 151.101.128.133

2017-06-02-----2017-06-02 151.101.88.133

2016-12-01-----2017-01-03 151.101.100.133

2017-01-02-----2017-01-02 151.101.24.133

2016-12-01-----2016-12-01 151.101.36.133

2016-12-01-----2016-12-01 151.101.16.133