August 19, 2022 at 8:38:05 PM UTC
VERIFY
Anomaly
HTTP blocking (HTTP requests failed)
Websites
Runtime: 20.9s
On August 19, 2022 at 8:38:05 PM UTC, https://scontent.xx.fbcdn.net/robots.txt presented signs of HTTP blocking (HTTP requests failed) on AS50810 in Iran.
This might mean that https://scontent.xx.fbcdn.net/robots.txt 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:
172.253.13.131
Query:
IN A scontent.xx.fbcdn.net
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
31.13.72.12
AS32934 (Facebook, Inc.)
Query:
IN AAAA scontent.xx.fbcdn.net
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
AAAA
2a03:2880:f00a:e:face:b00c:0:3
AS32934 (Facebook, Inc.)
TCP Connections
2a03:2880:f00a:e:face:b00c:0:3:443: failed (host_unreachable)
31.13.72.12:443: succeeded
HTTP Requests
No data
Resolver
Resolver ASN
AS15169
Resolver IP
172.253.13.131
Resolver Network Name
Google LLC
Measurement UID
20220819203815.553938_IR_webconnectivity_2606e28b795740b2
Report ID
20220819T011349Z_webconnectivity_IR_50810_n1_RCK29ia9PVaemoxK
Platform
ios
Software Name
ooniprobe-ios-unattended (3.7.0)
Measurement Engine
ooniprobe-engine (3.15.2)