Anomaly
Facebook Messenger is likely blocked
DNS lookups failed
Instant Messaging
Runtime: 103ms
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 57.144.138.141:443 was successful.
Connection to 57.144.138.128:443 was successful.
Connection to 57.144.138.128:443 was successful.
Connection to 57.144.138.1:443 was successful.
Connection to 57.144.138.144:443 was successful.
Connection to 57.144.138.1:443 was successful.
Resolver
Resolver ASN
AS33765
Resolver IP
41.59.226.21
Resolver Network Name
TANZANIA TELECOMMUNICATIONS CO. LTD
Report ID
20250419T160400Z_facebookmessenger_TZ_33765_n1_xRCmIIUOV0m9Sawg
Platform
macos
Software Name
ooniprobe-desktop-unattended (3.17.5)
Measurement Engine
ooniprobe-engine (3.17.5)