iP or domain name lookup

docs.spring.io Server iP：

Current resolution：

domain resolution record：

2024-04-06-----2024-05-14 104.18.42.155

2024-04-06-----2024-05-14 172.64.145.101

2024-02-29-----2024-03-10 104.18.14.105

2024-02-29-----2024-03-10 104.18.15.105

2023-02-28-----2023-10-03 104.20.2.65

2023-02-28-----2023-10-03 104.20.3.65

2019-07-01-----2023-01-12 104.20.5.247

2019-07-01-----2023-01-12 104.20.6.247

2020-12-15-----2020-12-15 113.207.102.194

2020-12-15-----2020-12-15 120.226.189.66

2020-12-15-----2020-12-15 220.170.186.194

2020-12-15-----2020-12-15 183.232.53.194

2020-12-15-----2020-12-15 157.255.26.194

2020-12-15-----2020-12-15 115.231.187.194

2020-12-15-----2020-12-15 42.236.94.194

2020-12-15-----2020-12-15 123.160.221.98

2017-10-26-----2018-04-12 104.17.46.2

2017-10-26-----2018-04-12 104.17.47.2

2016-11-02-----2016-11-02 104.20.2.240

2016-11-02-----2016-11-02 104.20.3.240