Anomaly
Facebook Messenger is likely blocked
DNS lookups failed
Instant Messaging
Runtime: 30s
TCP connections to Facebook's enpoints succeeded.DNS lookups did not resolve to Facebook IP addresses.
DNS lookups
Failed
TCP connections
Okay
Endpoint Status
Connection to 157.240.229.1:443 was successful.
Connection to 108.160.169.46:443 failed.
Connection to 157.240.229.35:443 was successful.
Connection to 157.240.229.1:443 was successful.
Connection to 108.160.165.211:443 failed.
Connection to 157.240.229.35:443 was successful.
Connection to 157.240.229.17:443 was successful.
Connection to 199.96.63.53:443 failed.
Connection to 2a03:2880:f111:83:face:b00c:0:25de:443 failed.
Resolver
Resolver ASN
AS4134
Resolver IP
221.224.191.62
Resolver Network Name
China Telecom
Report ID
20250419T162459Z_facebookmessenger_CN_4134_n1_iMtnthy5m4qGELY7
Platform
ios
Software Name
ooniprobe-ios-unattended (5.0.6)
Measurement Engine
ooniprobe-engine (3.25.0)