Anomaly
https://upload.twitter.com/robots.txt
DNS tampering
Websites
Runtime: 1.2s
On April 19, 2025, 05:13 PM UTC, https://upload.twitter.com/robots.txt presented signs of DNS tampering on AS21826 in Venezuela.
This might mean that https://upload.twitter.com/robots.txt was blocked, but false positives can occur.
Please explore the network measurement data below.
Failures
HTTP Experiment
connection_refused
DNS Experiment
null
Control
null
DNS Queries
Resolver:
204.194.239.94
Query:
IN A upload.twitter.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
127.0.0.1
TCP Connections
Connection to 127.0.0.1:443 failed.
HTTP Requests
No Data
Resolver
Resolver ASN
AS36692
Resolver IP
204.194.239.94
Resolver Network Name
Cisco OpenDNS, LLC
Report ID
20250419T171059Z_webconnectivity_VE_21826_n1_YxMbfWopxL4ozX21
Platform
android
Software Name
ooniprobe-android-unattended (5.0.5)
Measurement Engine
ooniprobe-engine (3.24.0)