URL: http://stackoverflow.com/
Submission: On March 07 via manual from NL

Summary

This website contacted 13 IPs in 4 countries across 11 domains to perform 32 HTTP transactions. The main IP is 151.101.193.69, located in San Francisco, United States and belongs to FASTLY - Fastly, US. The main domain is stackoverflow.com.
This is the only time stackoverflow.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
11 151.101.193.69 54113 (FASTLY)
1 2a00:1450:400... 15169 (GOOGLE)
6 104.16.108.18 13335 (CLOUDFLAR...)
2 104.17.31.15 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
1 95.100.248.112 20940 (AKAMAI-ASN1 )
2 95.100.248.105 20940 (AKAMAI-ASN1 )
1 2600:9000:201... 16509 (AMAZON-02)
2 54.197.238.119 14618 (AMAZON-AES)
1 2a00:1450:401... 15169 (GOOGLE)
1 95.172.94.16 27281 (QUANTCAST)
1 104.17.29.15 13335 (CLOUDFLAR...)
32 13
Domain Requested by
8 cdn.sstatic.net stackoverflow.com
ajax.googleapis.com
6 i.stack.imgur.com stackoverflow.com
3 static.adzerk.net stackoverflow.com
2 clc.stackoverflow.com stackoverflow.com
2 engine.adzerk.net static.adzerk.net
stackoverflow.com
2 b.scorecardresearch.com stackoverflow.com
2 www.google-analytics.com stackoverflow.com
1 pixel.quantserve.com stackoverflow.com
1 www.google.de stackoverflow.com
1 rules.quantcount.com edge.quantserve.com
1 edge.quantserve.com stackoverflow.com
1 ajax.googleapis.com stackoverflow.com
1 stackoverflow.com
0 ssum-sec.casalemedia.com Failed stackoverflow.com
32 14

This site contains links to these domains. Also see Links.

Domain
chat.stackoverflow.com
meta.stackoverflow.com
stackexchange.com
stackoverflow.blog
www.stackoverflowbusiness.com
retrocomputing.stackexchange.com
physics.stackexchange.com
ell.stackexchange.com
politics.stackexchange.com
mathematica.stackexchange.com
rpg.stackexchange.com
serverfault.com
math.stackexchange.com
salesforce.stackexchange.com
crypto.stackexchange.com
sitecore.stackexchange.com
travel.stackexchange.com
skeptics.stackexchange.com
codegolf.stackexchange.com
movies.stackexchange.com
worldbuilding.stackexchange.com
codereview.stackexchange.com
puzzling.stackexchange.com
startups.stackexchange.com
data.stackexchange.com
superuser.com
webapps.stackexchange.com
askubuntu.com
webmasters.stackexchange.com
gamedev.stackexchange.com
tex.stackexchange.com
softwareengineering.stackexchange.com
unix.stackexchange.com
apple.stackexchange.com
wordpress.stackexchange.com
gis.stackexchange.com
electronics.stackexchange.com
android.stackexchange.com
security.stackexchange.com
dba.stackexchange.com
drupal.stackexchange.com
sharepoint.stackexchange.com
ux.stackexchange.com
expressionengine.stackexchange.com
magento.stackexchange.com
dsp.stackexchange.com
raspberrypi.stackexchange.com
photo.stackexchange.com
scifi.stackexchange.com
graphicdesign.stackexchange.com
music.stackexchange.com
cooking.stackexchange.com
diy.stackexchange.com
money.stackexchange.com
academia.stackexchange.com
english.stackexchange.com
judaism.stackexchange.com
christianity.stackexchange.com
japanese.stackexchange.com
gaming.stackexchange.com
bicycles.stackexchange.com
anime.stackexchange.com
mechanics.stackexchange.com
mathoverflow.net
stats.stackexchange.com
cstheory.stackexchange.com
chemistry.stackexchange.com
biology.stackexchange.com
cs.stackexchange.com
philosophy.stackexchange.com
meta.stackexchange.com
stackapps.com
area51.stackexchange.com
creativecommons.org
blog.stackoverflow.com
Subject Issuer Validity Valid
*.googleapis.com
Google Internet Authority G2
2017-02-22 -
2017-05-17
3 months crt.sh
*.stackexchange.com
DigiCert SHA2 High Assurance Server CA
2016-05-21 -
2019-08-14
3 years crt.sh
*.google-analytics.com
Google Internet Authority G2
2017-02-22 -
2017-05-17
3 months crt.sh
www.google.de
Google Internet Authority G2
2017-02-22 -
2017-05-17
3 months crt.sh

This page contains 2 frames:

Primary Page: http://stackoverflow.com/
Frame ID: 27165.1
Requests: 33 HTTP requests in this frame

Frame: https://ssum-sec.casalemedia.com/usermatch?s=183712&cb=https%3A%2F%2Fengine.adzerk.net%2Fudb%2F22%2Fsync%2Fi.gif%3FpartnerId%3D1%26userId%3D&C=1
Frame ID: 27165.2
Requests: 1 HTTP requests in this frame

Screenshot


Page Statistics

32
Requests

44 %
HTTPS

33 %
IPv6

11
Domains

14
Subdomains

13
IPs

4
Countries

341 kB
Transfer

1230 kB
Size

5
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request 9
  • https://ssum-sec.casalemedia.com/usermatch?s=183712&cb=https%3A%2F%2Fengine.adzerk.net%2Fudb%2F22%2Fsync%2Fi.gif%3FpartnerId%3D1%26userId%3D
  • https://ssum-sec.casalemedia.com/usermatch?s=183712&cb=https%3A%2F%2Fengine.adzerk.net%2Fudb%2F22%2Fsync%2Fi.gif%3FpartnerId%3D1%26userId%3D&C=1
Request 20
  • http://b.scorecardresearch.com/b?c1=2&c2=17440561&ns__t=1488927432256&ns_c=UTF-8&cv=3.1&c8=Stack%20Overflow&c7=http%3A%2F%2Fstackoverflow.com%2F&c9=
  • http://b.scorecardresearch.com/b2?c1=2&c2=17440561&ns__t=1488927432256&ns_c=UTF-8&cv=3.1&c8=Stack%20Overflow&c7=http%3A%2F%2Fstackoverflow.com%2F&c9=
Request 23
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-5620270-60&cid=1383234273.1488927432&jid=469096729&_v=j48&z=261182652
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-5620270-60&cid=1383234273.1488927432&jid=469096729&_v=j48&z=261182652&ipr=y&ulfeg=n

32 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request Cookie set /
stackoverflow.com/
219 KB
31 KB
Document
General
Full URL
http://stackoverflow.com/
Protocol
HTTP/1.1
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
b70bbf588e289e0dd6ec3044f9ec2fec9e6e42161bc9b3e83ae8397bd64eb8b6
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate, sdch
Host
stackoverflow.com
Accept-Language
en-US,en;q=0.8
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Cache-Control
no-cache
Connection
keep-alive
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

Date
Tue, 07 Mar 2017 22:57:11 GMT
Content-Encoding
gzip
X-DNS-Prefetch-Control
off
X-Cache
MISS
X-Request-Guid
447821fa-ebd8-4450-984a-06e6c58aeb51
Connection
keep-alive
Content-Length
31793
X-Served-By
cache-hhn1549-HHN
X-Timer
S1488927431.822958,VS0,VE118
X-Frame-Options
SAMEORIGIN
Vary
Accept-Encoding
Content-Type
text/html; charset=utf-8
Via
1.1 varnish
Cache-Control
private
Set-Cookie
prov=f075410e-8b2c-fb5f-529f-71aea954bb16; domain=.stackoverflow.com; expires=Fri, 01-Jan-2055 00:00:00 GMT; path=/; HttpOnly
Accept-Ranges
bytes
X-Cache-Hits
0
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.12.4/
95 KB
33 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:400f:808::200a , Ireland, ASN15169 (GOOGLE - Google Inc., US),
Reverse DNS
Software
sffe /
Resource Hash
668b046d12db350ccba6728890476b3efee53b2f42dbb84743e5e9f1ae0cc404
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:path
/ajax/libs/jquery/1.12.4/jquery.min.js
pragma
no-cache
accept-encoding
gzip, deflate, sdch, br
accept-language
en-US,en;q=0.8
user-agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
accept
*/*
cache-control
no-cache
:authority
ajax.googleapis.com
referer
http://stackoverflow.com/
:scheme
https
x-client-data
CIi2yQEIpLbJAQ==
:method
GET
Referer
http://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

date
Sun, 05 Mar 2017 15:03:45 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
201207
status
200
alt-svc
quic=":443"; ma=2592000; v="36,35,34"
content-length
33951
x-xss-protection
1; mode=block
last-modified
Tue, 20 Dec 2016 18:17:03 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
expires
Mon, 05 Mar 2018 15:03:45 GMT
stub.en.js
cdn.sstatic.net/Js/
43 KB
15 KB
Script
General
Full URL
https://cdn.sstatic.net/Js/stub.en.js?v=01d9387a67d6
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
7775c548803315cd32b8e102f2489d56c732895d53b9855af30a7de00b4da11a

Request headers

:path
/Js/stub.en.js?v=01d9387a67d6
pragma
no-cache
accept-encoding
gzip, deflate, sdch, br
accept-language
en-US,en;q=0.8
user-agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
accept
*/*
cache-control
no-cache
:authority
cdn.sstatic.net
referer
http://stackoverflow.com/
:scheme
https
:method
GET
Referer
http://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

date
Tue, 07 Mar 2017 22:57:11 GMT
content-encoding
gzip
age
21368
x-cache
HIT
status
200
content-length
15055
x-served-by
cache-hhn1528-HHN
last-modified
Tue, 07 Mar 2017 16:58:47 GMT
x-timer
S1488927431.981347,VS0,VE0
etag
"807d12166497d21:0"
vary
Accept-Encoding,Accept-Encoding
content-type
application/javascript
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
11099
all.css
cdn.sstatic.net/Sites/stackoverflow/
519 KB
88 KB
Stylesheet
General
Full URL
https://cdn.sstatic.net/Sites/stackoverflow/all.css?v=998538ead664
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
/
Resource Hash
d32d73477bb8184670eab6a3eb3ef461cc966e09d6205dfa973152afb5fe4284

Request headers

:path
/Sites/stackoverflow/all.css?v=998538ead664
pragma
no-cache
accept-encoding
gzip, deflate, sdch, br
accept-language
en-US,en;q=0.8
user-agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
accept
text/css,*/*;q=0.1
cache-control
no-cache
:authority
cdn.sstatic.net
referer
http://stackoverflow.com/
:scheme
https
:method
GET
Referer
http://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

date
Tue, 07 Mar 2017 22:57:11 GMT
content-encoding
gzip
age
369634
x-cache
HIT
status
200
content-length
90228
x-served-by
cache-hhn1528-HHN
last-modified
Fri, 03 Mar 2017 16:15:32 GMT
x-timer
S1488927431.981299,VS0,VE0
etag
"0eaad613994d21:0"
vary
Accept-Encoding,Accept-Encoding
content-type
text/css
via
1.1 varnish
cache-control
max-age=604800
accept-ranges
bytes
x-cache-hits
70990
Cookie set tKsDb.png
i.stack.imgur.com/
259 B
259 B
Image
General
Full URL
http://i.stack.imgur.com/tKsDb.png
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
HTTP/1.1
Server
104.16.108.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - CloudFlare, Inc., US),
Reverse DNS
Software
cloudflare-nginx /
Resource Hash
3ef0264e2a7517e9f984d154871b3fc3bcc318164035e5f24639ecb30d14a5e8

Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate, sdch
Host
i.stack.imgur.com
Accept-Language
en-US,en;q=0.8
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Accept
image/webp,image/*,*/*;q=0.8
Referer
http://stackoverflow.com/
Connection
keep-alive
Cache-Control
no-cache
Referer
http://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

CF-RAY
33c1270252372768-FRA
Date
Tue, 07 Mar 2017 22:57:12 GMT
CF-Cache-Status
HIT
Last-Modified
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Server
cloudflare-nginx
ETag
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Vary
Accept-Encoding
x-amz-version-id
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Set-Cookie
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Cache-Control
public, max-age=315360000
Connection
keep-alive
Content-Type
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Content-Length
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Expires
Fri, 05 Mar 2027 22:57:12 GMT
5d55j.png
i.stack.imgur.com/
2 KB
2 KB
Image
General
Full URL
http://i.stack.imgur.com/5d55j.png
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
HTTP/1.1
Server
104.16.108.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - CloudFlare, Inc., US),
Reverse DNS
Software
cloudflare-nginx /
Resource Hash
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Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate, sdch
Host
i.stack.imgur.com
Accept-Language
en-US,en;q=0.8
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Accept
image/webp,image/*,*/*;q=0.8
Referer
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Cookie
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Connection
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Cache-Control
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Referer
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

Date
Tue, 07 Mar 2017 22:57:12 GMT
CF-Cache-Status
HIT
Last-Modified
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Server
cloudflare-nginx
ETag
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x-amz-version-id
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Expires
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6p2yP.png
i.stack.imgur.com/
1 KB
1 KB
Image
General
Full URL
http://i.stack.imgur.com/6p2yP.png
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
HTTP/1.1
Server
104.16.108.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - CloudFlare, Inc., US),
Reverse DNS
Software
cloudflare-nginx /
Resource Hash
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Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate, sdch
Host
i.stack.imgur.com
Accept-Language
en-US,en;q=0.8
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Accept
image/webp,image/*,*/*;q=0.8
Referer
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Cookie
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keep-alive
Cache-Control
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User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

Date
Tue, 07 Mar 2017 22:57:12 GMT
CF-Cache-Status
HIT
Last-Modified
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Server
cloudflare-nginx
ETag
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Vary
Accept-Encoding
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x-amz-version-id
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Expires
Fri, 05 Mar 2027 22:57:12 GMT
9HWwT.png
i.stack.imgur.com/
5 KB
5 KB
Image
General
Full URL
http://i.stack.imgur.com/9HWwT.png
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
HTTP/1.1
Server
104.16.108.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - CloudFlare, Inc., US),
Reverse DNS
Software
cloudflare-nginx /
Resource Hash
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Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate, sdch
Host
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Accept-Language
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User-Agent
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Accept
image/webp,image/*,*/*;q=0.8
Referer
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Cookie
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Connection
keep-alive
Cache-Control
no-cache
Referer
http://stackoverflow.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Response headers

Date
Tue, 07 Mar 2017 22:57:12 GMT
CF-Cache-Status
HIT
Last-Modified
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Server
cloudflare-nginx
ETag
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Vary
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CF-RAY
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x-amz-version-id
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Expires
Fri, 05 Mar 2027 22:57:12 GMT
sawHl.png
i.stack.imgur.com/
789 B
789 B
Image
General
Full URL
http://i.stack.imgur.com/sawHl.png
Requested by
Host: stackoverflow.com
URL: http://stackoverflow.com/
Protocol
HTTP/1.1
Server
104.16.108.18 San Francisco, United States, ASN13335 (CLOUDFLARENET - CloudFlare, Inc., US),
Reverse DNS
Software
cloudflare-nginx /
Resource Hash
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Request headers

Pragma
no-cache
Accept-Encoding
gzip, deflate, sdch
Host
i.stack.imgur.com
Accept-Language
en-US,en;q=0.8
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Accept
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Wed, 08 Mar 2017 22:57:12 GMT
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General
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Response headers

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Response headers

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
ssum-sec.casalemedia.com
URL
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Verdicts & Comments Add Verdict or Comment

0 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

5 Cookies

Domain/Path Name / Value
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Value: f075410e-8b2c-fb5f-529f-71aea954bb16
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Value: P0-320285336-1488927432427
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Value: 1
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Value: 1

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

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