● Operationalobserved 1h ago
stackoverflow.com
HTTP 403
OBSERVATION RAIL12 recent checks
16:27
16:37
16:47
16:57
17:07
17:17
17:27
17:37
17:47
17:57
18:07
18:17
Current stateOperational
HTTP response403
Response start27 ms
EndpointHTTPS
24h observed availability100.00%
24h sample132 observations
Last checkedAug 21, 2026, 6:17 PM UTC
Observation log
Evidence, in order.
OperationalHTTP 40327 msHTTPSAug 21, 2026, 6:17 PM UTC
OperationalHTTP 40331 msHTTPSAug 21, 2026, 6:07 PM UTC
OperationalHTTP 40334 msHTTPSAug 21, 2026, 5:57 PM UTC
OperationalHTTP 40326 msHTTPSAug 21, 2026, 5:47 PM UTC
OperationalHTTP 40327 msHTTPSAug 21, 2026, 5:37 PM UTC
OperationalHTTP 40326 msHTTPSAug 21, 2026, 5:27 PM UTC
OperationalHTTP 40332 msHTTPSAug 21, 2026, 5:17 PM UTC
OperationalHTTP 40334 msHTTPSAug 21, 2026, 5:07 PM UTC
OperationalHTTP 40330 msHTTPSAug 21, 2026, 4:57 PM UTC
OperationalHTTP 40332 msHTTPSAug 21, 2026, 4:47 PM UTC
OperationalHTTP 40332 msHTTPSAug 21, 2026, 4:37 PM UTC
OperationalHTTP 40334 msHTTPSAug 21, 2026, 4:27 PM UTC
Incident history
Confirmed interruptions.
No confirmed outage incidents recorded.
Evidence note
Observed, not guessed.
Quospark reports what the current Quospark probe observed. It does not claim the same result applies to every network or user, and it does not infer a root cause without evidence.
Latest change: Observation started · Aug 15, 2026, 11:33 PM UTC