Anomaly
https://mask-h2.icloud.com/
DNS tampering
Websites
Runtime: 300ms
On October 13, 2025, 03:40 PM UTC, https://mask-h2.icloud.com/ presented signs of DNS tampering on AS12353 in Portugal.
This might mean that https://mask-h2.icloud.com/ 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:
172.68.101.174
Query:
IN A mask-h2.icloud.com
Engine:
system
dns_nxdomain_error
Query:
IN AAAA mask-h2.icloud.com
Engine:
system
dns_nxdomain_error
TCP Connections
No data.
HTTP Requests
No Data
Resolver
Resolver ASN
AS13335
Resolver IP
172.68.101.174
Resolver Network Name
Cloudflare, Inc.
Report ID
20251013T153403Z_webconnectivity_PT_12353_n4_WMmnh5EZUPmEAcxr
Platform
android
Software Name
ooniprobe-android-unattended (3.7.0)
Measurement Engine
ooniprobe-engine (3.15.2)