Anomaly
https://dartcenter.org/
DNS tampering
Websites
Runtime: 656ms
On August 25, 2025, 07:01 PM UTC, https://dartcenter.org/ presented signs of DNS tampering on AS1257 in Sweden.
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
android_dns_cache_no_data
Control
null
DNS Queries
Resolver:
90.139.117.229
Query:
IN A dartcenter.org
Engine:
system
android_dns_cache_no_data
Query:
IN AAAA dartcenter.org
Engine:
system
android_dns_cache_no_data
TCP Connections
No data
HTTP Requests
No data
Resolver
Resolver ASN
AS1257
Resolver IP
90.139.117.229
Resolver Network Name
Tele2 Sverige AB
Report ID
20250825T190118Z_webconnectivity_SE_1257_n1_jsu6FwPFmkbn5zls
Platform
android
Software Name
ooniprobe-android-unattended (5.1.0)
Measurement Engine
ooniprobe-engine (3.26.0)