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MAT Charts
Circumvention Charts
Countries
Anomaly
https://dartcenter.org/
DNS tampering
South Africa
Country
328961
Network
September 21, 2025, 12:15 PM UTC
Date & Time
Websites
Websites
Web Connectivity Test 
Runtime: 291ms
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On September 21, 2025, 12:15 PM UTC, https://dartcenter.org/ presented signs of DNS tampering on 328961 in South Africa.

This might mean that https://dartcenter.org/ was blocked, but false positives can occur.

Please explore the network measurement data below.

Failures

HTTP Experiment
null
DNS Experiment
dns_nxdomain_error
Control
null

DNS Queries

Resolver:
172.253.249.216
Query:
IN A dartcenter.org
Engine:
system
dns_nxdomain_error
Query:
IN AAAA dartcenter.org
Engine:
system
dns_nxdomain_error

TCP Connections

No data.

HTTP Requests

No Data

Resolver

Resolver ASN
AS15169
Resolver IP
172.253.249.216
Resolver Network Name
Google LLC
Report ID
20250921T121012Z_webconnectivity_ZA_328961_n4_oUPwW00grpNXiboQ
Platform
android
Software Name
ooniprobe-android-unattended (3.7.0)
Measurement Engine
ooniprobe-engine (3.15.2)

Raw Measurement Data

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