Anomaly
https://mask.icloud.com/
DNS tampering
Websites
Runtime: 10.2s
On April 09, 2025, 05:11 AM UTC, https://mask.icloud.com/ presented signs of DNS tampering on AS23856 in Singapore.
This might mean that https://mask.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:
172.71.244.82
Query:
IN A mask.icloud.com
Engine:
system
dns_nxdomain_error
Query:
IN AAAA mask.icloud.com
Engine:
system
dns_nxdomain_error
TCP Connections
No data.
HTTP Requests
No Data
Resolver
Resolver ASN
AS0
Resolver IP
172.71.244.82
Resolver Network Name
Report ID
20250409T045354Z_webconnectivity_SG_23856_n1_lowFVCiikoCI3Dt2
Platform
macos
Software Name
ooniprobe-desktop-unattended (3.23.0)
Measurement Engine
ooniprobe-engine (3.23.0)