July 28, 2023 at 8:39:15 AM UTC
VERIFY
Anomaly
https://0.th.ooni.org/
DNS tampering
China
AS45090 Shenzhen Tencent Computer Systems Company Limited
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Websites
Websites
Web Connectivity Test 
Runtime: 16.5s
On July 28, 2023 at 8:39:15 AM UTC, https://0.th.ooni.org/ presented signs of DNS tampering on AS45090 in China. This might mean that https://0.th.ooni.org/ 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:
(unknown)
Query:
IN A 0.th.ooni.org
Engine:
udp
NameClassTTLTypeDATAAnswer IP Info
@IN A128.242.245.43AS2914 (NTT America, Inc.)
Query:
IN AAAA 0.th.ooni.org
Engine:
udp
NameClassTTLTypeDATAAnswer IP Info
@IN AAAA2001::722b:183bUnknown AS
Query:
IN ANY 0.th.ooni.org
Engine:
golang_net_resolver
NameClassTTLTypeDATAAnswer IP Info
@IN A69.171.228.74AS32934 (Facebook, Inc.)
@IN AAAA2001::453f:b50cUnknown AS
TCP Connections
2001::453f:b50c:443: failed (network_unreachable)
2001::722b:183b:443: failed (network_unreachable)
69.171.228.74:443: failed (generic_timeout_error)
128.242.245.43:443: failed (generic_timeout_error)
2604:a880:800:10::654:1001:443: failed (network_unreachable)
167.99.112.239:443: succeeded
HTTP Requests
Resolver
Resolver ASN
AS9808
Resolver IP
117.185.251.192
Resolver Network Name
China Mobile
Measurement UID
20230728083916.630047_CN_webconnectivity_72c2f6147ad8d0ba
Report ID
20230728T083838Z_webconnectivity_CN_45090_n1_I99EjTAktMr4nTRj
Platform
linux
Software Name
miniooni (3.19.0-alpha)
Measurement Engine
ooniprobe-engine (3.19.0-alpha)
Raw Measurement Data
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