iP or domain name lookup

beijing.douban.com Server iP：

Current resolution：

domain resolution record：

2022-09-06-----2025-11-16 81.70.124.99

2022-09-06-----2025-11-16 140.143.177.206

2024-06-07-----2025-11-16 120.53.130.158

2022-09-06-----2023-09-14 49.233.242.15

2019-07-08-----2021-06-04 154.8.131.171

2019-07-08-----2021-06-04 154.8.131.165

2019-07-08-----2021-06-04 154.8.131.172

2017-09-04-----2018-01-17 115.182.201.7

2017-09-04-----2018-01-17 115.182.201.6

2017-09-04-----2018-01-17 115.182.201.8