api.coursera.org服务器iP：
当前解析：
历史解析记录：
2020-02-29-----2024-12-05 107.23.9.24
2020-02-29-----2024-12-05 52.4.1.216
2020-05-23-----2024-12-05 52.7.10.126
2020-02-29-----2024-04-03 52.6.210.116
2020-05-23-----2024-02-12 52.0.97.60
2020-05-23-----2024-02-12 52.6.53.236
2020-05-08-----2023-08-17 107.21.27.58
2020-05-08-----2023-08-17 107.23.99.193
2022-12-22-----2023-02-23 18.214.177.138
2022-12-22-----2023-02-23 54.160.255.142
2022-12-22-----2023-02-23 184.73.251.209
2022-12-22-----2023-02-23 52.23.0.187
2022-12-22-----2023-02-23 54.243.77.25
2023-02-23-----2023-02-23 3.95.96.73
2022-12-22-----2022-12-22 54.159.193.142
2020-05-08-----2022-05-08 107.23.27.46
2022-04-30-----2022-05-08 54.205.120.206
2022-04-30-----2022-05-08 34.199.107.0
2022-04-30-----2022-05-08 34.200.144.12
2022-04-30-----2022-05-08 52.1.60.6
2022-05-08-----2022-05-08 3.213.113.251
2022-04-30-----2022-04-30 34.199.23.144