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Countries
Anomaly
http://www.systranbox.com/
HTTP blocking (a blockpage might be served)
Cuba
Country
AS27725
Network
January 17, 2025, 02:46 PM UTC
Date & Time
Websites
Websites
Web Connectivity Test 
Runtime: 1.1s
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On January 17, 2025, 02:46 PM UTC, http://www.systranbox.com/ presented signs of HTTP blocking (a blockpage might be served) on AS27725 in Cuba.

This might mean that http://www.systranbox.com/ was blocked, but false positives can occur.

Please explore the network measurement data below.

Failures

HTTP Experiment
null
DNS Experiment
null
Control
null

DNS Queries

Resolver:
74.125.78.149
Query:
IN A www.systranbox.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
172.67.151.13
@
IN
A
104.21.48.117
Query:
IN AAAA www.systranbox.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2606:4700:3033::ac43:970d
@
IN
AAAA
2606:4700:3030::6815:3075

TCP Connections

Connection to 2606:4700:3030::6815:3075:80 was blocked.
Connection to 2606:4700:3033::ac43:970d:80 was blocked.
Connection to 172.67.151.13:80 succeeded.
Connection to 104.21.48.117:80 succeeded.

HTTP Requests

URL
GET http://www.systranbox.com/
Response Headers
Alt-Svc:
h3=":443"; ma=86400
Cache-Control:
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Cf-Ray:
9037227e39b78dee-MIA
Connection:
keep-alive
Content-Length:
15
Content-Type:
text/plain; charset=UTF-8
Date:
Fri, 17 Jan 2025 14:46:26 GMT
Expires:
Thu, 01 Jan 1970 00:00:01 GMT
Nel:
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Referrer-Policy:
same-origin
Report-To:
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TzOsDZMuzsAb3%2F5wLyBqMYPe%2FIO6PQDi%2FCX9ih8Xm9U9%2Bc05VpN%2BuQe%2BRxsAu1x5cOEmuGoc%2FOCbaF8vFaHmBIhye%2FOEwH3NMdmICBNS9Fh95V6CDwgCYb%2F05BBkh72XKRyU2d0%3D"}],"group":"cf-nel","max_age":604800}
Server:
cloudflare
Server-Timing:
cfL4;desc="?proto=TCP&rtt=101873&min_rtt=101873&rtt_var=50936&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=275&delivery_rate=0&cwnd=181&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"
X-Frame-Options:
SAMEORIGIN
Response Body
error code: 521

Resolver

Resolver ASN
AS15169
Resolver IP
74.125.78.149
Resolver Network Name
Google LLC
Report ID
20250117T143817Z_webconnectivity_CU_27725_n1_1HQGWbinTzaVq9F1
Platform
android
Software Name
ooniprobe-android-unattended (3.8.2)
Measurement Engine
ooniprobe-engine (3.17.2)

Raw Measurement Data

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