March 4, 2021 at 4:24:44 PM UTC
VERIFY
Anomaly
HTTP blocking (a blockpage might be served)
Websites
Runtime: 3.2s
On March 4, 2021 at 4:24:44 PM UTC, http://ocsp.int-x3.letsencrypt.org/ presented signs of HTTP blocking (a blockpage might be served) on AS58952 in Myanmar (Burma).
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:
162.158.161.249
Query:
IN A ocsp.int-x3.letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
104.91.166.217
AS20940 (Akamai International B.V.)
@
IN
A
104.91.166.192
AS20940 (Akamai International B.V.)
@
IN
A
104.91.166.209
AS20940 (Akamai International B.V.)
@
IN
A
104.91.166.178
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
2600:1407:1d::1738:afe8
AS20940 (Akamai International B.V.)
@
IN
AAAA
2600:1407:1d::1738:afeb
AS20940 (Akamai International B.V.)
TCP Connections
104.91.166.209:80: succeeded
104.91.166.192:80: succeeded
2600:1407:1d::1738:afe8:80: failed (unknown_failure: dial tcp [scrubbed]: connect: network is unreachable)
2600:1407:1d::1738:afeb:80: failed (unknown_failure: dial tcp [scrubbed]: connect: network is unreachable)
104.91.166.178:80: succeeded
104.91.166.217:80: succeeded
HTTP Requests
URL
GET http://ocsp.int-x3.letsencrypt.org/
Response Headers
Cache-Control:max-age=37482Connection:keep-aliveContent-Length:0Date:Thu, 04 Mar 2021 16:24:47 GMTExpires:Fri, 05 Mar 2021 02:49:29 GMTServer:nginx
Response Body
Empty body
Resolver
Resolver ASN
AS13335
Resolver IP
162.158.161.249
Resolver Network Name
Cloudflare, Inc.
Measurement UID
20210304162447.814891_MM_webconnectivity_d7709cb6e365694f
Report ID
20210304T121902Z_webconnectivity_MM_58952_n1_3OoerSGIb6Iu9rsN
Platform
linux
Software Name
ooniprobe-cli (3.5.2)
Measurement Engine
ooniprobe-engine (3.5.2)