Anomaly
https://fcm.googleapis.com/$discovery/rest?version=v1
HTTP blocking (HTTP requests failed)
Websites
Runtime: 1m
On September 19, 2024, 03:39 PM UTC, https://fcm.googleapis.com/$discovery/rest?version=v1 presented signs of HTTP blocking (HTTP requests failed) on AS9808 in China.
This might mean that https://fcm.googleapis.com/$discovery/rest?version=v1 was blocked, but false positives can occur.
Please explore the network measurement data below.
Failures
HTTP Experiment
generic_timeout_error
DNS Experiment
null
Control
null
DNS Queries
Resolver:
120.202.250.21
Query:
IN A fcm.googleapis.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
216.239.36.55
@
IN
A
216.239.36.57
@
IN
A
216.239.38.57
@
IN
A
216.239.38.55
Query:
IN AAAA fcm.googleapis.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2001:4860:4802:36::37
@
IN
AAAA
2001:4860:4802:36::39
@
IN
AAAA
2001:4860:4802:38::39
@
IN
AAAA
2001:4860:4802:38::37
TCP Connections
Connection to 2001:4860:4802:36::37:443 succeeded.
Connection to 2001:4860:4802:36::39:443 succeeded.
Connection to 2001:4860:4802:38::37:443 was blocked.
Connection to 2001:4860:4802:38::39:443 was blocked.
Connection to 216.239.36.55:443 was blocked.
Connection to 216.239.36.57:443 was blocked.
Connection to 216.239.38.55:443 was blocked.
Connection to 216.239.38.57:443 was blocked.
HTTP Requests
No Data
Resolver
Resolver ASN
AS9808
Resolver IP
120.202.250.21
Resolver Network Name
China Mobile
Report ID
20240919T151537Z_webconnectivity_CN_9808_n1_3zaCdLepcyf06unk
Platform
macos
Software Name
ooniprobe-cli-unattended (3.20.1)
Measurement Engine
ooniprobe-engine (3.20.1)