Is Down? Check down trends and times.
columbia.edu.html checking.. 
Website Status
Protocol
Response Time
Response Code
Ping
| Checks | Ping Status | Ping Time | HTTP Status | HTTP Time | Status |
|---|---|---|---|---|---|
| 18 days ago |  failed |
1 ms | 403 | 145 ms | Down |
| 22 days ago | failed |
unknown | 403 | 135 ms | Down |
| 24 days ago | failed |
1 ms | 403 | 142 ms | Down |
| 32 days ago | failed |
unknown | 403 | 133 ms | Down |
| 35 days ago | failed |
1 ms | 403 | 140 ms | Down |
| 36 days ago | failed |
2 ms | 403 | 58 ms | Down |
| 41 days ago | failed |
2 ms | 403 | 95 ms | Down |
| 45 days ago | failed |
1 ms | 403 | 47 ms | Down |
| 45 days ago | failed |
1 ms | 403 | 154 ms | Down |
| 51 days ago | failed |
unknown | 403 | 158 ms | Down |