Anomaly
https://mstdn.jp/
DNS tampering
Websites
Runtime: 7.6s
On April 27, 2025, 02:12 AM UTC, https://mstdn.jp/ presented signs of DNS tampering on AS9123 in Russia.
This might mean that https://mstdn.jp/ was blocked, but false positives can occur.
Please explore the network measurement data below.
Failures
HTTP Experiment
dns_nxdomain_error
DNS Experiment
null
Control
null
DNS Queries
Resolver:
173.194.98.20
Query:
IN A mstdn.jp
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
104.21.3.103
@
IN
A
172.67.153.131
@
IN
A
104.21.3.103
@
IN
A
172.67.153.131
Query:
IN AAAA mstdn.jp
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2606:4700:3033::ac43:9983
@
IN
AAAA
2606:4700:3034::6815:367
@
IN
AAAA
2606:4700:3033::ac43:9983
@
IN
AAAA
2606:4700:3034::6815:367
TCP Connections
Connection to 2606:4700:3033::ac43:9983:443 was blocked.
Connection to 2606:4700:3034::6815:367:443 was blocked.
Connection to 104.21.3.103:443 succeeded.
Connection to 172.67.153.131:443 succeeded.
HTTP Requests
No Data
URL
GET https://mstdn.jp/
Response Headers
Alt-Svc:h3=":443"; ma=86400Cf-Ray:936acbb3af429dc7-DMEDate:Sun, 27 Apr 2025 02:12:34 GMTLocation:https://media.mstdn.jp/jp-093img.htmlServer:cloudflare
Response Body
Empty body
Resolver
Resolver ASN
AS15169
Resolver IP
173.194.98.20
Resolver Network Name
Google LLC
Report ID
20250427T020551Z_webconnectivity_RU_9123_n1_VsVO2g4yqhjrzypk
Platform
windows
Software Name
ooniprobe-desktop-unattended (3.19.2)
Measurement Engine
ooniprobe-engine (3.19.2)