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On August 19, 2022 at 3:58:25 PM UTC, https://cloudflare-dns.com/dns-query?dns=q80BAAABAAAAAAAAA3d3dwdleGFtcGxlA2NvbQAAAQAB presented signs of DNS tampering on AS11830 in Costa Rica. This might mean that https://cloudflare-dns.com/dns-query?dns=q80BAAABAAAAAAAAA3d3dwdleGFtcGxlA2NvbQAAAQAB was blocked, but false positives can occur. Please explore the network measurement data below.

Failures

HTTP Experiment
connection_refused
DNS Experiment
null
Control
null

DNS Queries

Resolver:
181.193.218.2
Query:
IN A cloudflare-dns.com
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
201.191.211.9
AS11830 (Instituto Costarricense de Electricidad y Telecom.)

TCP Connections

201.191.211.9:443: failed (connection_refused)

HTTP Requests

No data

Resolver

Resolver ASN
AS11830
Resolver IP
181.193.218.2
Resolver Network Name
Instituto Costarricense de Electricidad y Telecom.
Measurement UID
20220819155825.686675_CR_webconnectivity_3be50a26b9580c41
Report ID
20220819T155556Z_webconnectivity_CR_11830_n1_TrSQRbgDqdKpcuW1
Platform
android
Software Name
ooniprobe-android-unattended (3.7.0)
Measurement Engine
ooniprobe-engine (3.15.2)

Raw Measurement Data

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