Websites
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On June 2, 2021 at 3:33:10 PM UTC, http://ocsp.int-x3.letsencrypt.org/ presented signs of DNS tampering on AS31721 in Azerbaijan. 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:
5.191.33.1
Query:
IN A ocsp.int-x3.letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
62.212.253.10
AS29049 (Delta Telecom Ltd)
@
IN
A
62.212.253.9
AS29049 (Delta Telecom Ltd)

TCP Connections

62.212.253.10:80: succeeded
62.212.253.9:80: succeeded

HTTP Requests

URL
GET http://ocsp.int-x3.letsencrypt.org/
Response Headers
Cache-Control:
max-age=34243
Connection:
keep-alive
Content-Length:
0
Date:
Wed, 02 Jun 2021 15:33:13 GMT
Expires:
Thu, 03 Jun 2021 01:03:56 GMT
Server:
nginx
Response Body

Empty body

Resolver

Resolver ASN
AS31721
Resolver IP
5.191.33.1
Resolver Network Name
"Azercell Telecom Ltd" Azerbaijan-Turkey Joint Venture
Measurement UID
20210602153313.405351_AZ_webconnectivity_814719beb39c54c8
Report ID
20210602T153000Z_webconnectivity_AZ_31721_n1_p9rE1NSBY6zoJ1dd
Platform
windows
Software Name
ooniprobe-desktop-unattended (3.9.2)
Measurement Engine
ooniprobe-engine (3.9.2)

Raw Measurement Data

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