iP or domain name lookup

start.ubuntu.com Server iP：

Current resolution：

domain resolution record：

2022-08-10-----2024-04-17 185.125.190.21

2022-08-10-----2024-04-17 185.125.190.29

2022-08-10-----2024-04-17 185.125.190.20

2020-09-09-----2020-10-19 91.189.88.180

2020-09-09-----2020-10-19 91.189.88.181

2020-09-09-----2020-10-19 91.189.91.44

2020-09-09-----2020-10-19 91.189.91.45

2017-08-06-----2019-10-05 91.189.89.240

2017-08-06-----2019-10-05 91.189.90.40

2017-08-06-----2017-08-06 91.189.89.88

2017-08-06-----2017-08-06 91.189.90.41