Websites
Websites
Runtime: 521ms
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On August 19, 2022 at 8:39:42 PM UTC, https://scontent-ams4-1.cdninstagram.com/robots.txt was accessible when tested on AS8400 in Serbia.

Failures

HTTP Experiment
null
DNS Experiment
null
Control
null

DNS Queries

Resolver:
172.253.1.132
Query:
IN A scontent-ams4-1.cdninstagram.com
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
A
157.240.201.63
AS32934 (Facebook, Inc.)
Query:
IN AAAA scontent-ams4-1.cdninstagram.com
Engine:
system
Name
Class
TTL
Type
DATA
Answer IP Info
@
IN
AAAA
2a03:2880:f245:ca:face:b00c:0:43fe
AS32934 (Facebook, Inc.)

TCP Connections

2a03:2880:f245:ca:face:b00c:0:43fe:443: failed (network_unreachable)
157.240.201.63:443: succeeded

HTTP Requests

URL
GET https://scontent-ams4-1.cdninstagram.com/robots.txt
Response Headers
Alt-Svc:
h3=":443"; ma=86400,h3-29=":443"; ma=86400
Content-Length:
12
Content-Type:
text/plain
Date:
Fri, 19 Aug 2022 20:39:43 GMT
Proxy-Status:
http_request_error; e_clientaddr="AcLqpgpZMxUVO8IA9agrwuZcq1UDp6sGWM2uZVjjNrqxZOVLtsN4LvU__-qggv-N13MddXoAQ77M9a9FdE8"; e_fb_vipaddr="AcLEDIx6jvkQHMUBZen0kunHwGtBS1nYPywvtsp3GH0qwGtXw-S0kFL2dJ65ob2S7ZMpvgr_1J8"; e_fb_builduser="AcLkK_fZmjjWExvBo8ne8XCQm6x3xAtAZBmUpLPKW8GE0QLNzvXTJ7IEtKA2Ra9sZxE"; e_fb_binaryversion="AcJo7oyTsrxqJh3N1ZZ_LefV7bIdvGZLtb9PBgZ464QHExeVJ0jZ6ifJXjVE60VMHAuyhaeIhaQmOZ2u4fgwIipLjiw8Ln73IZE"; e_proxy="AcKwctwT4AfHNnrOsAeJD55G8sURvQkHFKVK0hVKvwdsspnDCcH6sI0dCsJ0Yy0gq4zEHdJg0RKX7lPk"
Server:
proxygen-bolt
X-Fb-Trip-Id:
1460883810
Response Body
Unsigned URL

Resolver

Resolver ASN
AS15169
Resolver IP
172.253.1.132
Resolver Network Name
Google LLC
Measurement UID
20220819203943.950288_RS_webconnectivity_134cc27b2a17ac4b
Report ID
20220819T203423Z_webconnectivity_RS_8400_n1_5FTGx61SCkcg025Z
Platform
android
Software Name
ooniprobe-android-unattended (3.7.0)
Measurement Engine
ooniprobe-engine (3.15.2)

Raw Measurement Data

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