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November 29, 2023 at 1:55:03 AM UTC
VERIFY
Anomaly
https://p16-sign-sg.tiktokcdn.com/robots.txt
DNS tampering
Nepal
AS17501 WorldLink Communications
Websites
Websites
Web Connectivity Test 
Runtime: 1.2s
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On November 29, 2023 at 1:55:03 AM UTC, https://p16-sign-sg.tiktokcdn.com/robots.txt presented signs of DNS tampering on AS17501 in Nepal. This might mean that https://p16-sign-sg.tiktokcdn.com/robots.txt 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 p16-sign-sg.tiktokcdn.com
Engine:
udp
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
127.0.0.1
Unknown AS
Query:
IN AAAA p16-sign-sg.tiktokcdn.com
Engine:
udp
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
AAAA
::1
Unknown AS
Query:
IN ANY p16-sign-sg.tiktokcdn.com
Engine:
getaddrinfo
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
AAAA
::1
Unknown AS
@
IN
A
127.0.0.1
Unknown AS
@
IN
CNAME
p16-sign-sg.tiktokcdn.com.
Unknown AS

TCP Connections

96.17.178.13:443: succeeded
96.17.178.21:443: succeeded
96.17.178.22:443: succeeded
96.17.178.20:443: succeeded
96.17.178.29:443: succeeded
96.17.178.31:443: succeeded
96.17.178.19:443: succeeded
96.17.178.35:443: succeeded
96.17.178.4:443: succeeded

HTTP Requests

URL
GET https://p16-sign-sg.tiktokcdn.com/robots.txt
Response Headers
Access-Control-Allow-Origin:
*
Akamai-Mon-Iucid-Del:
1323127
Content-Length:
296
Content-Type:
text/html
Cross-Origin-Resource-Policy:
cross-origin
Date:
Wed, 29 Nov 2023 01:55:03 GMT
Expires:
Wed, 29 Nov 2023 01:55:03 GMT
Mime-Version:
1.0
Server:
AkamaiGHost
Server-Timing:
cdn-cache; desc=MISS, edge; dur=0, origin; dur=0
Timing-Allow-Origin:
*
X-Akamai-Request-Id:
16d25d27
X-Cache:
TCP_DENIED from a104-79-92-13.deploy.akamaitechnologies.com (AkamaiGHost/11.3.2-52183077) (-)
X-Check-Cacheable:
YES
X-Failure-Reason:
failure-expired
X-Tt-Trace-Tag:
id=16;cdn-cache=miss;type=static
Response Body
<HTML><HEAD>
<TITLE>Access Denied</TITLE>
</HEAD><BODY>
<H1>Access Denied</H1>
 
You don't have permission to access "http&#58;&#47;&#47;p16&#45;sign&#45;sg&#46;tiktokcdn&#46;com&#47;robots&#46;txt" on this server.<P>
Reference&#32;&#35;18&#46;d5c4f68&#46;1701222903&#46;16d25d27
</BODY>
</HTML>

Resolver

Resolver ASN
AS17501
Resolver IP
202.79.40.251
Resolver Network Name
WorldLink Communications
Measurement UID
20231129015503.768080_NP_webconnectivity_b1be0d4005ee6883
Report ID
20231129T015418Z_webconnectivity_NP_17501_n1_Dyr31B2b7ozicBho
Platform
android
Software Name
ooniprobe-android (3.8.4)
Measurement Engine
ooniprobe-engine (3.19.0)

Raw Measurement Data

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