iP or domain name lookup

training.ef.com Server iP：

Current resolution：

domain resolution record：

2025-01-19-----2025-01-19 3.90.195.228

2025-01-19-----2025-01-19 23.22.163.41

2025-01-19-----2025-01-19 54.211.216.177

2025-01-19-----2025-01-19 3.214.75.254

2021-10-18-----2021-10-18 52.21.74.132

2021-10-18-----2021-10-18 52.201.132.90

2021-10-18-----2021-10-18 3.220.5.110

2021-10-18-----2021-10-18 3.235.70.187

2020-08-27-----2020-09-08 52.21.7.151

2020-08-27-----2020-09-08 34.234.126.224

2020-08-27-----2020-09-08 52.206.103.183

2020-08-27-----2020-09-08 54.88.159.14

2019-07-12-----2019-12-07 34.197.234.172

2019-07-12-----2019-12-07 52.206.206.80

2017-03-27-----2017-03-27 34.193.187.165