January 19, 2021 at 8:59:08 PM UTC
VERIFY
Anomaly
HTTP blocking (a blockpage might be served)
Websites
Runtime: 1.5s
On January 19, 2021 at 8:59:08 PM UTC, http://ocsp.int-x3.letsencrypt.org/ presented signs of HTTP blocking (a blockpage might be served) on AS20294 in Uganda.
This might mean that http://ocsp.int-x3.letsencrypt.org/ was blocked, but false positives can occur.
Please explore the network measurement data below.
Failures
HTTP Experiment
null
DNS Experiment
null
Control
null
DNS Queries
Resolver:
41.210.187.18
Query:
IN A ocsp.int-x3.letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
23.52.67.160
AS20940 (Akamai International B.V.)
@
IN
A
23.52.67.131
AS20940 (Akamai International B.V.)
Query:
IN AAAA ocsp.int-x3.letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
AAAA
2a02:26f0:e000::215:62d9
AS20940 (Akamai International B.V.)
@
IN
AAAA
2a02:26f0:e000::215:62db
AS20940 (Akamai International B.V.)
TCP Connections
2a02:26f0:e000::215:62d9:80: failed (unknown_failure: dial tcp [scrubbed]: connect: network is unreachable)
2a02:26f0:e000::215:62db:80: failed (unknown_failure: dial tcp [scrubbed]: connect: network is unreachable)
23.52.67.131:80: succeeded
23.52.67.160:80: succeeded
HTTP Requests
URL
GET http://ocsp.int-x3.letsencrypt.org/
Response Headers
Cache-Control:max-age=37104Connection:keep-aliveContent-Length:0Date:Tue, 19 Jan 2021 20:59:09 GMTExpires:Wed, 20 Jan 2021 07:17:33 GMTServer:nginx
Response Body
Empty body
Resolver
Resolver ASN
AS20294
Resolver IP
41.210.187.18
Resolver Network Name
MTN Uganda
Measurement UID
20210119201059.140438_UG_webconnectivity_202dc9b60331b1e0
Report ID
20210119T170822Z_webconnectivity_UG_20294_n1_Fov4vvTodXlibn9X
Platform
linux
Software Name
ooniprobe-cli (3.1.0)
Measurement Engine
ooniprobe-engine (0.21.0)