iP or domain name lookup

email.notification.zhihu.com Server iP：

Current resolution：

domain resolution record：

2023-03-03-----2023-11-11 34.110.180.34

2023-03-03-----2023-11-10 34.102.239.211

2022-07-28-----2023-02-16 34.127.83.42

2022-10-25-----2023-02-16 34.86.85.56

2022-07-22-----2022-07-28 50.16.67.214

2022-07-22-----2022-07-28 54.211.61.245

2022-07-22-----2022-07-22 34.223.162.87

2022-07-22-----2022-07-22 52.33.122.205

2022-07-22-----2022-07-22 54.186.94.209