iP or domain name lookup

training.github.com Server iP：

Current resolution：

domain resolution record：

2020-09-17-----2024-11-04 185.199.108.153

2020-09-17-----2024-11-04 185.199.110.153

2020-09-17-----2024-11-04 185.199.111.153

2020-09-17-----2024-11-04 185.199.109.153

2019-07-14-----2020-09-06 140.82.113.18

2019-07-14-----2020-09-06 140.82.114.17

2019-10-02-----2020-09-06 140.82.114.18

2020-03-01-----2020-09-06 140.82.112.18

2020-03-10-----2020-09-06 140.82.112.17

2019-07-14-----2020-09-04 140.82.113.17

2017-06-02-----2020-02-15 192.30.253.166

2019-07-14-----2020-02-15 192.30.253.167

2017-03-03-----2017-03-04 151.101.100.133

2017-03-03-----2017-03-03 151.101.128.133

2017-03-03-----2017-03-03 151.101.192.133

2017-03-03-----2017-03-03 151.101.24.133