URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Submission: On August 24 via manual from CA

Summary

This website contacted 14 IPs in 3 countries across 14 domains to perform 65 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.
TLS certificate: Issued by DigiCert SHA2 High Assurance Server CA on May 21st 2016. Valid for: 3 years.
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
17 151.101.193.69 54113 (FASTLY)
2 2a00:1450:400... 15169 (GOOGLE)
12 104.16.2.35 13335 (CLOUDFLAR...)
6 192.0.73.2 2635 (AUTOMATTIC)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 18.196.86.107 16509 (AMAZON-02)
1 3 23.43.115.95 20940 (AKAMAI-ASN1)
3 2a00:1450:400... 15169 (GOOGLE)
6 172.217.22.2 15169 (GOOGLE)
1 2600:9000:20b... 16509 (AMAZON-02)
1 18.196.58.145 16509 (AMAZON-02)
10 2a00:1450:400... 15169 (GOOGLE)
65 14
Domain Requested by
13 cdn.sstatic.net stackoverflow.com
cdn.sstatic.net
12 i.stack.imgur.com stackoverflow.com
10 tpc.googlesyndication.com securepubads.g.doubleclick.net
6 securepubads.g.doubleclick.net www.googletagservices.com
securepubads.g.doubleclick.net
stackoverflow.com
6 www.gravatar.com stackoverflow.com
3 sb.scorecardresearch.com 1 redirects stackoverflow.com
2 clc.stackoverflow.com cdn.sstatic.net
2 pagead2.googlesyndication.com securepubads.g.doubleclick.net
2 www.google-analytics.com stackoverflow.com
www.google-analytics.com
2 ajax.googleapis.com stackoverflow.com
securepubads.g.doubleclick.net
2 stackoverflow.com ajax.googleapis.com
1 pixel.quantserve.com stackoverflow.com
1 rules.quantcount.com secure.quantserve.com
1 adservice.google.com www.googletagservices.com
1 adservice.google.de www.googletagservices.com
1 secure.quantserve.com stackoverflow.com
1 www.googletagservices.com stackoverflow.com
65 17

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

Domain
stackexchange.com
chat.stackoverflow.com
meta.stackoverflow.com
stackoverflow.blog
www.stackoverflowbusiness.com
github.com
puzzling.stackexchange.com
photo.stackexchange.com
electronics.stackexchange.com
math.stackexchange.com
rpg.stackexchange.com
worldbuilding.stackexchange.com
workplace.stackexchange.com
writing.stackexchange.com
travel.stackexchange.com
interpersonal.stackexchange.com
scifi.stackexchange.com
unix.stackexchange.com
ux.stackexchange.com
superuser.com
serverfault.com
webapps.stackexchange.com
askubuntu.com
webmasters.stackexchange.com
gamedev.stackexchange.com
tex.stackexchange.com
softwareengineering.stackexchange.com
apple.stackexchange.com
wordpress.stackexchange.com
gis.stackexchange.com
android.stackexchange.com
security.stackexchange.com
dba.stackexchange.com
drupal.stackexchange.com
sharepoint.stackexchange.com
mathematica.stackexchange.com
salesforce.stackexchange.com
expressionengine.stackexchange.com
pt.stackoverflow.com
blender.stackexchange.com
networkengineering.stackexchange.com
crypto.stackexchange.com
codereview.stackexchange.com
magento.stackexchange.com
softwarerecs.stackexchange.com
dsp.stackexchange.com
emacs.stackexchange.com
raspberrypi.stackexchange.com
ru.stackoverflow.com
codegolf.stackexchange.com
es.stackoverflow.com
ethereum.stackexchange.com
datascience.stackexchange.com
arduino.stackexchange.com
bitcoin.stackexchange.com
graphicdesign.stackexchange.com
movies.stackexchange.com
music.stackexchange.com
cooking.stackexchange.com
diy.stackexchange.com
money.stackexchange.com
academia.stackexchange.com
law.stackexchange.com
english.stackexchange.com
skeptics.stackexchange.com
judaism.stackexchange.com
christianity.stackexchange.com
ell.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
physics.stackexchange.com
chemistry.stackexchange.com
biology.stackexchange.com
cs.stackexchange.com
philosophy.stackexchange.com
meta.stackexchange.com
stackapps.com
api.stackexchange.com
data.stackexchange.com
area51.stackexchange.com
www.facebook.com
twitter.com
linkedin.com
creativecommons.org
Subject Issuer Validity Valid
*.stackexchange.com
DigiCert SHA2 High Assurance Server CA
2016-05-21 -
2019-08-14
3 years crt.sh
*.googleapis.com
Google Internet Authority G3
2018-08-07 -
2018-10-16
2 months crt.sh
i.stack.imgur.com
DigiCert SHA2 Secure Server CA
2016-10-28 -
2018-11-01
2 years crt.sh
*.gravatar.com
Go Daddy Secure Certificate Authority - G2
2015-09-05 -
2018-10-14
3 years crt.sh
*.g.doubleclick.net
Google Internet Authority G3
2018-08-07 -
2018-10-16
2 months crt.sh
*.google-analytics.com
Google Internet Authority G3
2018-08-07 -
2018-10-16
2 months crt.sh
*.quantserve.com
DigiCert SHA2 High Assurance Server CA
2015-08-05 -
2018-11-02
3 years crt.sh
*.scorecardresearch.com
COMODO RSA Organization Validation Secure Server CA
2017-12-06 -
2018-12-26
a year crt.sh
*.google.com
Google Internet Authority G3
2018-08-07 -
2018-10-16
2 months crt.sh
tpc.googlesyndication.com
Google Internet Authority G3
2018-08-07 -
2018-10-16
2 months crt.sh

This page contains 4 frames:

Primary Page: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Frame ID: E240C7C0D10789E5D108F9DAE092EFAD
Requests: 51 HTTP requests in this frame

Frame: https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/abg_lite.js
Frame ID: 0606C2192CE7740F8C8D200701065E6D
Requests: 7 HTTP requests in this frame

Frame: https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/abg_lite.js
Frame ID: AE0AE7A0500732DD61B8C10263C726F5
Requests: 6 HTTP requests in this frame

Frame: https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
Frame ID: 7DA4C2665AE6BBC7C1F9296551787665
Requests: 4 HTTP requests in this frame

Screenshot


Detected technologies

Overall confidence: 100%
Detected patterns
  • headers via /.*Varnish/i

Overall confidence: 100%
Detected patterns
  • script /googlesyndication\.com\//i
  • env /^__google_ad_/i
  • env /^Goog_AdSense_/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|(analytics))\.js/i
  • env /^gaGlobal$/i

Overall confidence: 100%
Detected patterns
  • env /^googletag$/i

Overall confidence: 100%
Detected patterns
  • env /^quantserve$/i

Overall confidence: 100%
Detected patterns
  • html /<iframe[^>]* (?:id="comscore"|scr=[^>]+comscore)|\.scorecardresearch\.com\/beacon\.js|COMSCORE\.beacon/i
  • script /\.scorecardresearch\.com\/beacon\.js|COMSCORE\.beacon/i
  • env /^_?COMSCORE$/i

Overall confidence: 100%
Detected patterns
  • script /\/([\d.]+)\/jquery(?:\.min)?\.js/i
  • script /jquery.*\.js/i
  • env /^jQuery$/i

Page Statistics

65
Requests

100 %
HTTPS

46 %
IPv6

14
Domains

17
Subdomains

14
IPs

3
Countries

827 kB
Transfer

2201 kB
Size

5
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 40
  • https://sb.scorecardresearch.com/b?c1=2&c2=17440561&ns__t=1535119665516&ns_c=UTF-8&cv=3.1e&c8=yarnpkg%20-%20Yarn%3A%20unable%20to%20verify%20the%20first%20certificate%20-%20Stack%20Overflow&c7=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F40033794%2Fyarn-unable-to-verify-the-first-certificate&c9= HTTP 302
  • https://sb.scorecardresearch.com/b2?c1=2&c2=17440561&ns__t=1535119665516&ns_c=UTF-8&cv=3.1e&c8=yarnpkg%20-%20Yarn%3A%20unable%20to%20verify%20the%20first%20certificate%20-%20Stack%20Overflow&c7=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F40033794%2Fyarn-unable-to-verify-the-first-certificate&c9=

65 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
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120 KB
34 KB
Document
General
Full URL
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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
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Security Headers
Name Value
Content-Security-Policy upgrade-insecure-requests
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X-Frame-Options SAMEORIGIN

Request headers

:method
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:authority
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:scheme
https
:path
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pragma
no-cache
cache-control
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upgrade-insecure-requests
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user-agent
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accept
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accept-encoding
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Upgrade-Insecure-Requests
1
User-Agent
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X-DevTools-Emulate-Network-Conditions-Client-Id
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Response headers

status
200
cache-control
private
content-type
text/html; charset=utf-8
content-encoding
gzip
x-frame-options
SAMEORIGIN
x-request-guid
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strict-transport-security
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content-security-policy
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accept-ranges
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age
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vary
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x-dns-prefetch-control
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set-cookie
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content-length
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jquery.min.js
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95 KB
33 KB
Script
General
Full URL
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Requested by
Host: stackoverflow.com
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Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
age
607263
status
200
alt-svc
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content-length
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x-xss-protection
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last-modified
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server
sffe
vary
Accept-Encoding
content-type
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access-control-allow-origin
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cache-control
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accept-ranges
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timing-allow-origin
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expires
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stub.en.js
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43 KB
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Script
General
Full URL
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Requested by
Host: stackoverflow.com
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Protocol
SPDY
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
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Resource Hash
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
age
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x-cache
HIT
status
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content-length
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x-served-by
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last-modified
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x-timer
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etag
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vary
Accept-Encoding,Accept-Encoding
content-type
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via
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cache-control
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accept-ranges
bytes
x-cache-hits
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Stylesheet
General
Full URL
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Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Protocol
SPDY
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
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Resource Hash
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
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content-encoding
gzip
age
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x-cache
HIT
status
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content-length
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x-served-by
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access-control-allow-origin
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x-timer
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vary
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cache-control
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396 KB
66 KB
Stylesheet
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Full URL
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Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.193.69 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
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cache-control
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Requested by
Host: stackoverflow.com
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Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
age
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x-served-by
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Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
age
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x-served-by
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cache-control
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1 KB
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Image
General
Full URL
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Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Software
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Resource Hash
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Request headers

Referer
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User-Agent
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Response headers

cf-ray
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date
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cf-cache-status
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last-modified
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Protocol
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Protocol
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Protocol
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Protocol
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server
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Protocol
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Protocol
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35 KB
13 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/abg_lite.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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Software
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
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age
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m_window_focus_non_hydra.js
tpc.googlesyndication.com/pagead/js/r20180820/r20110914/client/ext/ Frame 0606
3 KB
1 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/client/ext/m_window_focus_non_hydra.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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Software
cafe /
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User-Agent
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Response headers

date
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content-encoding
gzip
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nosniff
age
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p3p
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osd_listener.js
tpc.googlesyndication.com/pagead/js/r20180820/r20110914/activeview/ Frame 0606
71 KB
26 KB
Script
General
Full URL
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Requested by
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URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
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SPDY
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2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
age
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p3p
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server
cafe
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timing-allow-origin
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expires
Mon, 03 Sep 2018 22:10:54 GMT
3960458074584915753
tpc.googlesyndication.com/simgad/ Frame 0606
19 KB
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Image
General
Full URL
https://tpc.googlesyndication.com/simgad/3960458074584915753
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
Protocol
SPDY
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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Referer
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User-Agent
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Response headers

date
Fri, 17 Aug 2018 18:12:38 GMT
x-content-type-options
nosniff
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alt-svc
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server
sffe
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expires
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osd.js
pagead2.googlesyndication.com/pagead/
71 KB
26 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/osd.js
Requested by
Host: securepubads.g.doubleclick.net
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Protocol
SPDY
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TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81b::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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User-Agent
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
age
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expires
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abg_lite.js
tpc.googlesyndication.com/pagead/js/r20180820/r20110914/ Frame AE0A
35 KB
13 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/abg_lite.js
Requested by
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SPDY
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2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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User-Agent
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Response headers

date
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content-encoding
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m_window_focus_non_hydra.js
tpc.googlesyndication.com/pagead/js/r20180820/r20110914/client/ext/ Frame AE0A
3 KB
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Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/client/ext/m_window_focus_non_hydra.js
Requested by
Host: securepubads.g.doubleclick.net
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SPDY
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TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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User-Agent
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Response headers

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content-encoding
gzip
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age
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osd_listener.js
tpc.googlesyndication.com/pagead/js/r20180820/r20110914/activeview/ Frame AE0A
71 KB
26 KB
Script
General
Full URL
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Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
Protocol
SPDY
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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User-Agent
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Response headers

date
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content-encoding
gzip
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nosniff
age
316611
p3p
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tpc.googlesyndication.com/simgad/ Frame AE0A
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Full URL
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Requested by
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Protocol
SPDY
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User-Agent
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Response headers

date
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x-content-type-options
nosniff
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server
sffe
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expires
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jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.2.1/ Frame 7DA4
85 KB
30 KB
Script
General
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:814::200a , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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Request headers

Referer
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User-Agent
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
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200
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osd_listener.js
tpc.googlesyndication.com/pagead/js/r20180820/r20110914/activeview/ Frame 7DA4
71 KB
26 KB
Script
General
Full URL
https://tpc.googlesyndication.com/pagead/js/r20180820/r20110914/activeview/osd_listener.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/gpt/pubads_impl_241.js
Protocol
SPDY
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a00:1450:4001:81e::2001 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
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Name Value
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Mon, 20 Aug 2018 22:10:54 GMT
content-encoding
gzip
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nosniff
age
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server
cafe
etag
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view
securepubads.g.doubleclick.net/pcs/ Frame 0606
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Full URL
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Host: stackoverflow.com
URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Protocol
SPDY
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TLS 1.2, ECDHE_ECDSA, AES_128_GCM
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172.217.22.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
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cafe /
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User-Agent
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Response headers

timing-allow-origin
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date
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x-content-type-options
nosniff
server
cafe
p3p
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expires
Fri, 24 Aug 2018 14:07:45 GMT
view
securepubads.g.doubleclick.net/pcs/ Frame AE0A
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272 B
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General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjss7BAPpjT-uNy5IXkFNhMV315Mu2PI4u_zE9FGDH492nxLVsbQED8wpQxSHy7aV3Fl_WS2ae-R0UxJwF4YtCPUw-uOfMiJ1mxZi3BrxRwjcCunxsQ_7XCjrb21ESWppWCnB24wQwkTv5ivf1hNuTdQS0aHxWgtbIa1hdPop3uu1ogGVs3f5VRfGeTiztGkWUaT270PdEjWdsNZGhNXoNHtSdzM_W9QelCP6ADmqFfRZBz8yEdbyyynRGo4F6NwQAVNBf5oXwHpFRtYcGNtz_URBu12acig&sai=AMfl-YSQQtw0R8vkZ6iv-M3KOZ4X3eTS-lzKWc7vAdcl7BKzJiCAGaXxXJHU8u2_h-BLOZ8HkEKmpT6Y_0kVRhtKkv4A96VUNHIM_sWelAg7&sig=Cg0ArKJSzNhMUi6tIPhOEAE&adurl=
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
172.217.22.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s14-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Fri, 24 Aug 2018 14:07:45 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
expires
Fri, 24 Aug 2018 14:07:45 GMT
view
securepubads.g.doubleclick.net/pcs/ Frame 7DA4
0
245 B
Image
General
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjsujUh-S-yBH_RPCRKO00tqYU6bQitkE6yVwzHm_hsnK2fsLG7VuOKJ3qllbZmwuyJGT3VGE8Bt_4oDyZIFi-eKTpaYNv0FkezIgn3aknaniWLdHu9JBbGZbVclGXEzn456IjANysS41x2y7dwkVlh4TLSX0FrU4lPlsu-oK3EO-fMoRnQuxjRFEicdu6jnV3mqkMfy2L6DzEjT4d70aD9xJPiu64XpBrj4Tsl0tvq8Mrx5k70-zrnrPvTknKKr0cVMFmxFTwasK2_JZDuQ8M-kzZd_Idg&sai=AMfl-YT52okgy-JEBU51yazuA9O4mmtQQmou4BGEwRHi3Ql0AZhxV3tgSOOeNuveLF5NawpZYS4Eu-e3ZLHgj8TwUvOPDkqPGmSYgxfVFOol&sig=Cg0ArKJSzHo8299L7tzzEAE&urlfix=1&adurl=
Requested by
Host: stackoverflow.com
URL: https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
172.217.22.2 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
fra16s14-in-f2.1e100.net
Software
cafe /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

timing-allow-origin
*
date
Fri, 24 Aug 2018 14:07:45 GMT
x-content-type-options
nosniff
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
private
content-type
image/gif
alt-svc
quic=":443"; ma=2592000; v="44,43,39,35"
content-length
0
x-xss-protection
1; mode=block
expires
Fri, 24 Aug 2018 14:07:45 GMT
markup.js
clc.stackoverflow.com/
11 KB
2 KB
Script
General
Full URL
https://clc.stackoverflow.com/markup.js?omni=AqFmA_fKCdYIAAAAAALeYgICAAAAAgAAAAAJAAAAfHlhcm5wa2d8AP5GSBlQA0mA6nE&zc=27%3B7&pf=3&lw=496
Requested by
Host: cdn.sstatic.net
URL: https://cdn.sstatic.net/clc/clc.min.js?v=04d772c81312
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
1431ff301af8f21612b113ebffcc8551f74f7745d145e121f1f712fe305fda77

Request headers

:path
/markup.js?omni=AqFmA_fKCdYIAAAAAALeYgICAAAAAgAAAAAJAAAAfHlhcm5wa2d8AP5GSBlQA0mA6nE&zc=27%3B7&pf=3&lw=496
pragma
no-cache
cookie
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accept-encoding
gzip, deflate
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
accept
*/*
cache-control
no-cache
:authority
clc.stackoverflow.com
referer
https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
:scheme
https
:method
GET
Referer
https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Fri, 24 Aug 2018 14:07:46 GMT
content-encoding
gzip
age
0 0
x-dns-prefetch-control
off
x-cache
MISS
status
200
x-request-guid
d2e37ba0-f8a8-47ad-a0ad-3bf2c0f97527
content-length
2054
x-served-by
cache-fra19136-FRA
x-timer
S1535119666.937676,VS0,VE120
vary
Fastly-SSL
content-type
application/javascript; charset=utf-8
via
1.1 varnish
cache-control
private
accept-ranges
bytes bytes
x-cache-hits
0
truncated
/ Frame 0606
211 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
02e1117c12d36aec0af191d7002901de251979b29efce3b61dfe27ceccfcf85c

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
truncated
/ Frame AE0A
211 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
c8fd1ddbb4e369a583c3ab1a0fd1095215e225b3382c1daba8e64663b86aa583

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
truncated
/ Frame 7DA4
211 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
30bf5586aa2cb4b29db578f8d40d9ee15895cf6dda33191603a33fb8b5d37a31

Request headers

Response headers

Access-Control-Allow-Origin
*
Content-Type
image/png
impression.gif
clc.stackoverflow.com/
43 B
158 B
Image
General
Full URL
https://clc.stackoverflow.com/impression.gif?an=41qQXf_9FOc1D9UF1a4uTEwsTXu6hZucCsr_f71kms340e92wPFABmaGng0MDA32jIwMLNJMc66wT1jP83qeKFA85cB7r2LLfdPO2Ukz9X9iu_uYq--yMFCc8cCcXUstn3zuB4p_vcOx-CTXlh0gcfsD0541Wpqw3QCKz5vFseAD5-cuIbD6F0e3WNZu2GunZMUi84qRgYtBg4l_JyMDE4Mkc6keEwMnkC_HywTkKzPl_X_vqf829JzzYwA&md=132
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
98b3d9d20e032f90aca49e9b116225d539ff6fbdb7e42c3c363f63896ac03d2a

Request headers

:path
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pragma
no-cache
cookie
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accept-encoding
gzip, deflate
user-agent
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accept
image/webp,image/apng,image/*,*/*;q=0.8
cache-control
no-cache
:authority
clc.stackoverflow.com
referer
https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
:scheme
https
:method
GET
Referer
https://stackoverflow.com/questions/40033794/yarn-unable-to-verify-the-first-certificate
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Fri, 24 Aug 2018 14:07:46 GMT
content-encoding
gzip
age
0 0
x-dns-prefetch-control
off
x-cache
MISS
status
200
x-request-guid
756457e3-4880-4159-b1fc-98931b3444d5
content-length
57
x-served-by
cache-fra19136-FRA
x-timer
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vary
Fastly-SSL
content-type
image/gif
via
1.1 varnish
cache-control
private
accept-ranges
bytes bytes
x-cache-hits
0
activeview
pagead2.googlesyndication.com/pcs/ Frame 0606
42 B
178 B
Image
General
Full URL
https://pagead2.googlesyndication.com/pcs/activeview?xai=AKAOjsshuKky1z1JCM2EU1e7xIURUO7929CsxfoOSHql2QU0FarLyHP7adGOxaTPXF3nO-Toob3jaQqRguhrIo-nj046yh3Rn7V3xcc&sig=Cg0ArKJSzEVjAAfyXCyrEAE&adk=58773763&tt=1060&bs=1585%2C1200&mtos=1046,1046,1046,1046,1046&tos=1046,0,0,0,0&p=113,350,203,1078&xza=1&mza=1&mcvt=1046&rs=3&ht=0&tfs=26&tls=1072&mc=1&lte=1&bas=0&bac=0&avms=geo&rst=1535119665911&rpt=73&isd=0&msd=0&cll=1&ioa=1&bos=1600%2C1200&ps=1585%2C2727&ss=1600%2C1200&pt=13&deb=1-3-3-8-14-14-242-10&tvt=1062&op=1&r=v&srmi=1&id=osdim&ti=1&uc=73&tgt=DIV&cl=1&cec=5&clc=1&cac=0&cd=728x90&v=r20180820
Protocol
SPDY
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a00:1450:4001:81b::2002 , Ireland, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 24 Aug 2018 14:07:47 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
status
200
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
access-control-allow-origin
*
cache-control
no-cache, must-revalidate
content-type
image/gif
alt-svc
quic="googleads.g.doubleclick.net:443"; ma=2592000; v="44,43,39,35",quic=":443"; ma=2592000; v="44,43,39,35"
content-length
42
x-xss-protection
1; mode=block
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

54 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.

function| $ function| jQuery function| IsMalwareProxy object| StackExchange object| jQuery112400998536710143143 object| clc object| googletag object| _qevents object| _comscore string| GoogleAnalyticsObject function| ga string| clc_request function| moveScroller function| sanitizeAndSplitTags function| initTagRenderer function| showFadingHelpText function| initFadingHelpText function| styleCode object| UniversalAuth function| EventEmitter function| klass function| tagRendererRaw function| tagRenderer object| gaplugins object| gaGlobal object| gaData object| googleToken object| googleIMState object| google_js_reporting_queue function| processGoogleToken function| udm_ object| ns_p object| COMSCORE function| quantserve function| __qc object| ezt object| _qoptions object| GPT_jstiming object| closure_memoize_cache_ undefined| google_measure_js_timing boolean| google_noFetch boolean| google_DisableInitialLoad number| __google_ad_urls_id number| google_unique_id function| Goog_AdSense_getAdAdapterInstance function| Goog_AdSense_OsdAdapter object| __google_ad_urls object| ampInaboxIframes object| ampInaboxPendingMessages boolean| google_osd_loaded boolean| google_onload_fired function| Goog_Osd_UnloadAdBlock function| Goog_Osd_UpdateElementToMeasure function| google_osd_amcb

5 Cookies

Domain/Path Name / Value
.stackoverflow.com/ Name: __qca
Value: P0-1924939477-1535119665560
.stackoverflow.com/ Name: _gat
Value: 1
.stackoverflow.com/ Name: _ga
Value: GA1.2.316088954.1535119665
.stackoverflow.com/ Name: _gid
Value: GA1.2.1984079419.1535119665
.stackoverflow.com/ Name: prov
Value: f5ecca47-f35b-cd7a-8c82-250068eb93e4

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
Content-Security-Policy upgrade-insecure-requests
Strict-Transport-Security max-age=15552000
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.

adservice.google.com
adservice.google.de
ajax.googleapis.com
cdn.sstatic.net
clc.stackoverflow.com
i.stack.imgur.com
pagead2.googlesyndication.com
pixel.quantserve.com
rules.quantcount.com
sb.scorecardresearch.com
secure.quantserve.com
securepubads.g.doubleclick.net
stackoverflow.com
tpc.googlesyndication.com
www.google-analytics.com
www.googletagservices.com
www.gravatar.com
104.16.2.35
151.101.193.69
172.217.22.2
18.196.58.145
18.196.86.107
192.0.73.2
23.43.115.95
2600:9000:20bb:2e00:6:44e3:f8c0:93a1
2a00:1450:4001:814::200a
2a00:1450:4001:81b::2002
2a00:1450:4001:81e::2001
2a00:1450:4001:81e::2002
2a00:1450:4001:821::200e
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