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www.w3schools.com Open in urlscan Pro
192.229.133.221  Public Scan

Go To Rescan Add Verdict Report
URL: https://www.w3schools.com/
Submission: On March 10 via api from GB — Scanned from GB
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 16 IPs in 4 countries across 13 domains to perform 56 HTTP transactions. The main IP is 192.229.133.221, located in United States and belongs to EDGECAST, US. The main domain is www.w3schools.com. The Cisco Umbrella rank of the primary domain is 18251.
TLS certificate: Issued by DigiCert TLS RSA SHA256 2020 CA1 on March 5th 2023. Valid for: a year.
This is the only time www.w3schools.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
29 192.229.133.221 15133 (EDGECAST)
7 2606:4700::68... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
3 18.66.113.225 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:211... 16509 (AMAZON-02)
2 2606:4700:440... 13335 (CLOUDFLAR...)
1 99.86.4.128 16509 (AMAZON-02)
1 18.156.211.66 16509 (AMAZON-02)
1 184.30.211.26 16625 (AKAMAI-AS)
1 2606:4700:10:... 13335 (CLOUDFLAR...)
2 2a02:2638:3::c 44788 (ASN-CRITE...)
1 15.197.193.217 16509 (AMAZON-02)
1 2001:4860:480... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
56 16
29    192.229.133.221 (United States)

ASN15133 (EDGECAST, US)
www.w3schools.com
7    2606:4700::6812:af8 (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.snigelweb.com
adengine.snigelweb.com
2    2a00:1450:4001:81c::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
3    18.66.113.225 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-66-113-225.fra56.r.cloudfront.net
c.amazon-adsystem.com
2    2a00:1450:4001:811::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
securepubads.g.doubleclick.net
1    2600:9000:211e:5800:12:7487:7980:93a1 (United States)

ASN16509 (AMAZON-02, US)
cdnx.snigelweb.com
2    2606:4700:4400::6812:2b5a (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.confiant-integrations.net
1    99.86.4.128 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-99-86-4-128.fra6.r.cloudfront.net
config.aps.amazon-adsystem.com
1    18.156.211.66 (Frankfurt am Main, Germany)

ASN16509 (AMAZON-02, US)
PTR: ec2-18-156-211-66.eu-central-1.compute.amazonaws.com
floor.pbxai.com
1    184.30.211.26 (Frankfurt am Main, Germany)

ASN16625 (AKAMAI-AS, US)
PTR: a184-30-211-26.deploy.static.akamaitechnologies.com
secure.cdn.fastclick.net
1    2606:4700:10::6816:3556 (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.id5-sync.com
2    2a02:2638:3::c (France)

ASN44788 (ASN-CRITEO-EUROPE, FR)
gum.criteo.com
1    15.197.193.217 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: a12b7a488abeaa9e4.awsglobalaccelerator.com
match.adsrvr.org
1    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.analytics.google.com
1    2a00:1450:400c:c09::9c (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:82f::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.co.uk
Apex Domain
Subdomains		 Transfer
29 w3schools.com
www.w3schools.com — Cisco Umbrella Rank: 18251
1 MB
8 snigelweb.com
cdn.snigelweb.com — Cisco Umbrella Rank: 11054
adengine.snigelweb.com — Cisco Umbrella Rank: 14593
cdnx.snigelweb.com — Cisco Umbrella Rank: 15178
382 KB
4 amazon-adsystem.com
c.amazon-adsystem.com — Cisco Umbrella Rank: 301
config.aps.amazon-adsystem.com — Cisco Umbrella Rank: 621
79 KB
3 doubleclick.net
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 214
stats.g.doubleclick.net — Cisco Umbrella Rank: 84
166 KB
2 criteo.com
gum.criteo.com — Cisco Umbrella Rank: 466
376 B
2 confiant-integrations.net
cdn.confiant-integrations.net — Cisco Umbrella Rank: 1590
82 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 40
165 KB
1 google.co.uk
www.google.co.uk — Cisco Umbrella Rank: 3592
408 B
1 google.com
region1.analytics.google.com — Cisco Umbrella Rank: 2656
256 B
1 adsrvr.org
match.adsrvr.org — Cisco Umbrella Rank: 364
424 B
1 id5-sync.com
cdn.id5-sync.com — Cisco Umbrella Rank: 836
26 KB
1 fastclick.net
secure.cdn.fastclick.net — Cisco Umbrella Rank: 1170
17 KB
1 pbxai.com
floor.pbxai.com — Cisco Umbrella Rank: 11357
1 KB
56 13
Domain Requested by
29 www.w3schools.com www.w3schools.com
6 cdn.snigelweb.com www.w3schools.com
cdn.snigelweb.com
3 c.amazon-adsystem.com cdn.snigelweb.com
c.amazon-adsystem.com
2 gum.criteo.com cdn.snigelweb.com
2 cdn.confiant-integrations.net adengine.snigelweb.com
cdn.confiant-integrations.net
2 securepubads.g.doubleclick.net cdn.snigelweb.com
securepubads.g.doubleclick.net
2 www.googletagmanager.com www.w3schools.com
www.googletagmanager.com
1 www.google.co.uk www.w3schools.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 region1.analytics.google.com www.googletagmanager.com
1 match.adsrvr.org cdn.snigelweb.com
1 cdn.id5-sync.com www.w3schools.com
1 secure.cdn.fastclick.net www.w3schools.com
1 floor.pbxai.com cdn.snigelweb.com
1 config.aps.amazon-adsystem.com c.amazon-adsystem.com
1 cdnx.snigelweb.com cdn.snigelweb.com
1 adengine.snigelweb.com cdn.snigelweb.com
56 17
Subject Issuer Validity Valid
*.w3schools.com
DigiCert TLS RSA SHA256 2020 CA1		 2023-03-05 -
2024-04-04		 a year crt.sh
snigelweb.com
GTS CA 1P5		 2024-02-23 -
2024-05-23		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-02-19 -
2024-05-13		 3 months crt.sh
c.amazon-adsystem.com
Amazon RSA 2048 M01		 2023-12-30 -
2024-12-04		 a year crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2024-02-19 -
2024-05-13		 3 months crt.sh
cdn.pbxai.com
Amazon RSA 2048 M02		 2023-12-15 -
2025-01-12		 a year crt.sh
confiant-integrations.net
GTS CA 1P5		 2024-01-17 -
2024-04-16		 3 months crt.sh
config.aps.amazon-adsystem.com
Amazon RSA 2048 M02		 2024-01-21 -
2025-02-19		 a year crt.sh
floor.pbxai.com
Amazon RSA 2048 M03		 2023-08-07 -
2024-09-04		 a year crt.sh
secure.cdn.fastclick.net
DigiCert TLS RSA SHA256 2020 CA1		 2023-10-03 -
2024-10-03		 a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-05-07 -
2024-05-06		 a year crt.sh
*.criteo.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2024-02-08 -
2024-05-07		 3 months crt.sh
*.adsrvr.org
GlobalSign GCC R3 DV TLS CA 2020		 2023-04-12 -
2024-05-13		 a year crt.sh
www.google.co.uk
GTS CA 1C3		 2024-02-19 -
2024-05-13		 3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.w3schools.com/
Frame ID: 5F8FD4A118E64FC6AB33428A58B74753
Requests: 51 HTTP requests in this frame

Frame: https://www.w3schools.com/howto/tryhow_js_slideshow_ifr.htm
Frame ID: 8323DBBB64614F65056DA70A177AAE91
Requests: 4 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

W3Schools Online Web Tutorials

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • /prebid\.js

Page Statistics

56
Requests

100 %
HTTPS

63 %
IPv6

13
Domains

17
Subdomains

16
IPs

4
Countries

1962 kB
Transfer

4805 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

56 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.w3schools.com/ 		368 KB
368 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/359C) / ASP.NET
Resource Hash
f18d48626d9e22013e7925e6b3fdba5ccd5d150c1d47ade776d753d8983e5850
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
accept-language
en-GB,en;q=0.9

Response headers

accept-ranges
bytes
age
11676
cache-control
Public,public
content-encoding
gzip
content-length
376701
content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
content-type
text/html
date
Sun, 10 Mar 2024 09:42:28 GMT
expires
Sun, 10 Mar 2024 13:42:28 GMT
last-modified
Sun, 10 Mar 2024 06:27:52 GMT
server
ECS (lhd/359C)
vary
Accept-Encoding
x-cache
HIT
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
x-powered-by
ASP.NET
fontawesome.woff2
www.w3schools.com/lib/fonts/ 		18 KB
18 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/fontawesome.woff2?14663396
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/358D) / ASP.NET
Resource Hash
931214df44a73370550755ed5361ca203439e87026166279b7dc965d9ec49418
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:28 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/358D)
age
11841
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
18652
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-code-pro-v14-latin-regular.woff2
www.w3schools.com/lib/fonts/ 		13 KB
14 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/source-code-pro-v14-latin-regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/35D8) / ASP.NET
Resource Hash
4fa06b00a08b094490e4af510172ac96fe28039dfc5aac26c439e2e0232c9cc7
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:28 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/35D8)
age
11839
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
13764
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
roboto-mono-v13-latin-500.woff2
www.w3schools.com/lib/fonts/ 		12 KB
12 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/roboto-mono-v13-latin-500.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/35AD) / ASP.NET
Resource Hash
34e45e19c86321affecb63210e78cc2b706041dc27ba7074050767805433b5ff
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:28 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/35AD)
age
11841
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
12488
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-sans-pro-v14-latin-700.woff2
www.w3schools.com/lib/fonts/ 		15 KB
15 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/source-sans-pro-v14-latin-700.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/35CA) / ASP.NET
Resource Hash
24f7e397faec79e62c37ff2f00b170f6dc1557fb46ac169f9f1897a9d641dd03
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:28 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/35CA)
age
11841
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
15764
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-sans-pro-v14-latin-600.woff2
www.w3schools.com/lib/fonts/ 		16 KB
16 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/source-sans-pro-v14-latin-600.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/3706) / ASP.NET
Resource Hash
efb3cdc5e4582fd67dffab6fc6e5062074ce3f8c51747346af944e97749dc309
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:28 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/3706)
age
11841
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
15948
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
SourceSansPro-Regular.woff2
www.w3schools.com/lib/fonts/ 		75 KB
76 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/SourceSansPro-Regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/35AD) / ASP.NET
Resource Hash
a577ef6bc32e9fb5981b5f75f712fbe2ab208ed841905b06fc41dc943c7ef1dd
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:28 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/35AD)
age
11841
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
77280
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
freckle-face-v9-latin-regular.woff2
www.w3schools.com/lib/fonts/ 		39 KB
39 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.w3schools.com/lib/fonts/freckle-face-v9-latin-regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/35D8) / ASP.NET
Resource Hash
9babf1917ae762ae27a3f8ec7704ac57dc4bd5cb86723852aeb53b4857522202
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
accept-language
en-GB,en;q=0.9
User-Agent
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Download Go to
Full URL
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Download Go to
Full URL
https://www.w3schools.com/lib/w3codecolor.js
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9 KB 		Script
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Download Go to
Full URL
https://www.w3schools.com/lib/topnav/main.js?v=1.0.31
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content-security-policy
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11 KB 		Script
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Download Go to
Full URL
https://www.w3schools.com/lib/w3schools_footer.js?update=20230706
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https://config.aps.amazon-adsystem.com/configs/3927
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date
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server
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https://c.amazon-adsystem.com/cdn/prod/config?src=3927&u=https%3A%2F%2Fwww.w3schools.com
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Host: c.amazon-adsystem.com
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https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.js
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General
Check archive.org
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https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202403050101/pubads_impl.js
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https://floor.pbxai.com/?pubxId=315b44bc-10e5-45a8-8f58-064d6e7317c0&page=https://www.w3schools.com/
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17 KB 		Script
General
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https://secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js
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Host: www.w3schools.com
URL: https://www.w3schools.com/
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H2
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TLS 1.3, , AES_256_GCM
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id5-api.js
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26 KB 		Script
General
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Full URL
https://cdn.id5-sync.com/api/1.0/id5-api.js
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
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TLS 1.3, , AES_128_GCM
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strict-transport-security
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59 KB 		Script
General
Check archive.org
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https://cdn.confiant-integrations.net/prebid/202403051002/wrap.js
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Host: cdn.confiant-integrations.net
URL: https://cdn.confiant-integrations.net/t_Qv_vWzcBDsyn934F1E0MWBb1c/prebid/config.js
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H2
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Response headers

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cloudflare
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401700
etag
W/"ffd84e93ab814919a61d5948d5419852"
x-amz-server-side-encryption
AES256
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
cache-control
public, max-age=31536000
cf-ray
86225ae1ddfb0666-LHR
alt-svc
h3=":443"; ma=86400
x-amz-id-2
3fASoQRYXA0XuZocz0fWLKv3f0smNCdK5J6W/jtC8FAVECSZlZnDFjijXMqptENKxZmfpqJ5GLM=
json
gum.criteo.com/sid/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://gum.criteo.com/sid/json?origin=prebid&topUrl=https%3A%2F%2Fwww.w3schools.com%2F&domain=www.w3schools.com&lsw=1&us_privacy=1---&gdpr=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638:3::c , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
GET
Origin
https://www.w3schools.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
content-type
access-control-allow-methods
GET
access-control-allow-origin
https://www.w3schools.com
cache-control
no-cache, no-store, must-revalidate
content-encoding
gzip
content-type
application/json; charset=utf-8
date
Sun, 10 Mar 2024 09:42:29 GMT
expires
0
pragma
no-cache
server
Kestrel
server-processing-duration-in-ticks
255130
strict-transport-security
max-age=31536000; preload;
vary
Accept-Encoding
json
gum.criteo.com/sid/ 		2 B
376 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://gum.criteo.com/sid/json?origin=prebid&topUrl=https%3A%2F%2Fwww.w3schools.com%2F&domain=www.w3schools.com&lsw=1&us_privacy=1---&gdpr=1
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/prebid/8.26.0/prebid.js?v=9405-1709641331802
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638:3::c , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

Referer
https://www.w3schools.com/
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
content-type
application/json

Response headers

pragma
no-cache
date
Sun, 10 Mar 2024 09:42:28 GMT
strict-transport-security
max-age=31536000; preload;
content-encoding
gzip
server
Kestrel
vary
Accept-Encoding
access-control-allow-methods
GET
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.w3schools.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
server-processing-duration-in-ticks
258641
expires
0
rid
match.adsrvr.org/track/ 		63 B
424 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://match.adsrvr.org/track/rid?ttd_pid=8p4qh9l&fmt=json
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/prebid/8.26.0/prebid.js?v=9405-1709641331802
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
15.197.193.217 Seattle, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a12b7a488abeaa9e4.awsglobalaccelerator.com
Software
Kestrel /
Resource Hash
bde1b310b34dcb99f5f758103456208e035af62a35a83c1b8be8b42c476b6e3b

Request headers

Referer
https://www.w3schools.com/
accept-language
en-GB,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
content-type
text/plain

Response headers

date
Sun, 10 Mar 2024 09:42:29 GMT
content-encoding
gzip
server
Kestrel
vary
Origin, Accept-Encoding
content-type
application/json
access-control-allow-origin
https://www.w3schools.com
cache-control
private
access-control-allow-credentials
true
access-control-allow-headers
Origin, X-Requested-With, Content-Type, Content-Length, Content-Encoding, Vary, Cache-Control, Accept
expires
Tue, 09 Apr 2024 09:42:29 GMT
adconsent__tcfapi_en.js
cdn.snigelweb.com/adconsent/81/views/gdpr/ 		94 KB
15 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.snigelweb.com/adconsent/81/views/gdpr/adconsent__tcfapi_en.js
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/adconsent/81/adconsent__tcfapi.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:af8 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
70586c84423096a90de56dbb1cef1725e8dda3f64b971c6b9ee462eb08949563

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date
Sun, 10 Mar 2024 09:42:29 GMT
content-encoding
br
cf-cache-status
HIT
age
422465
x-edge-location
London, GB
x-cache
MISS
last-modified
Tue, 05 Mar 2024 12:20:48 GMT
server
cloudflare
etag
W/"177ca-612e8df538a63"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=2419200, must-revalidate, immutable
x-edge-ip
51.195.133.194
cf-ray
86225ae33f0b63f9-LHR
x-storage
909820195:8001
expires
0
collect
region1.analytics.google.com/g/ 		0
256 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.analytics.google.com/g/collect?v=2&tid=G-9YNMTB56NB&gtm=45je4360v9104228927z8846712008za200&_p=1710063748834&_gaz=1&gcd=13l3l3l3l1&npa=0&dma=0&tcfd=10000&cid=1589957456.1710063750&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_s=1&sid=1710063749&sct=1&seg=0&dl=https%3A%2F%2Fwww.w3schools.com%2F&dt=W3Schools%20Online%20Web%20Tutorials&en=page_view&_fv=1&_nsi=1&_ss=1&ep.content_group=Other%20Group%2F&tfd=1127
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-9YNMTB56NB&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 Mar 2024 09:42:29 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.w3schools.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
stats.g.doubleclick.net/g/ 		0
256 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&tid=G-9YNMTB56NB&cid=1589957456.1710063750&gtm=45je4360v9104228927z8846712008za200&aip=1&dma=0&gcd=13l3l3l3l1&npa=0
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-9YNMTB56NB&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c09::9c Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 Mar 2024 09:42:29 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.w3schools.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.co.uk/ads/ 		42 B
408 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.co.uk/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-9YNMTB56NB&cid=1589957456.1710063750&gtm=45je4360v9104228927z8846712008za200&aip=1&dma=0&gcd=13l3l3l3l1&npa=0&z=1602990042
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 Mar 2024 09:42:29 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
w3schools_logo_500_04AA6D.png
www.w3schools.com/images/ 		16 KB
16 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.w3schools.com/images/w3schools_logo_500_04AA6D.png
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (lhd/370A) / ASP.NET
Resource Hash
72a90c039fc6fb99a7f6673407b78e16c1c5db33281efdf53ca26344a9a9098a
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

accept-language
en-GB,en;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 10 Mar 2024 09:42:29 GMT
last-modified
Fri, 08 Mar 2024 13:25:02 GMT
server
ECS (lhd/370A)
age
11832
etag
"04b7365c71da1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
image/png
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
16794
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;

Verdicts & Comments Add Verdict or Comment

145 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.

object| 0 object| 1 object| 2 object| 3 object| 4 string| subjectFolder object| dataLayer function| _0x4dd5a4 function| _0x240b function| _0x4094 function| _0x14b344 boolean| k42 object| gptAdSlots object| googletag object| snigelPubConf string| stickyadstatus function| fix_stickyad function| w3_getStyleValue function| Base64Encode function| Base64Decode object| Cookies object| Util object| UserSession object| MyLearning object| array_search_suggestions function| startscrolling_subtopnav function| scrolling_subtopnav function| endscrolling_subtopnav function| pellessii number| scrollspeed undefined| scrollinterval function| scrollmenow number| p_s_l number| x_s_l function| scrollbtn_visible function| stopscrollmenow function| subtopnav_intoview function| amIIntoView number| activate_subtopnav_scroll number| from_scrollpos number| current_scrollpos number| goto_tut function| w3CodeColor function| w3CodeColorize function| openLangTab function| open_search boolean| searchFromBox function| click_learntocode_search_btn function| find_search_results function| click_search_w3schools_link function| key_pressed_in_search function| submit_search_form function| execute_google_search function| secondSnigel object| TopNavBar function| w3_open function| w3_close function| w3_open_nav function| w3_close_nav function| w3_close_all_topnav function| gSearch function| highlightClassicSubNavActiveLinks undefined| k42ResizeFunc number| xbeforeResize number| ybeforeResize number| zbeforeResize number| sbeforeResize number| abeforeResize number| allbeforeResize function| skyscraperResize function| browserResize function| open_menu function| close_menu function| fix_sidemenu function| sidemenuitemintoview function| isIntoView function| scrolltop function| xxxchangecodetheme function| changecodetheme function| click_login_btn function| w3_close_all_nav function| activate_example_tab function| searchfield_focus string| addr function| displayError function| hideError function| hideSent function| sendErr function| clickFBLike function| hideFBLike function| googleTranslateElementInit function| printPage function| k42Resizing object| regexppos object| bfnuttpos string| cc string| result function| docReady object| _snigelConfig object| adsbygoogle object| pbjs object| apstag object| adngin function| adconsent function| __tcfapi function| __uspapi function| __adconsent object| argus object| google_tag_manager object| google_tag_data object| pbjsChunk object| _pbjsGlobals object| ADAGIO object| mnet object| confiant function| onYouTubeIframeAPIReady object| _aps boolean| apstagLOADED object| apscustom object| ggeac object| google_js_reporting_queue object| __pubxFloors__ boolean| __pubxLoaded__ boolean| __loadedBeforePb__ object| __pmacCpmHistory__ number| __loadTime__ number| __loadTimestamp__ boolean| __pubxLogsEnabled__ object| __pubx__ undefined| google_measure_js_timing object| gaGlobal object| PublisherCommonId object| __id5_finalization_registry object| ID5 object| locale function| pug_attr function| pug_classes function| pug_classes_array function| pug_classes_object function| pug_escape function| pug_has_own_property object| pug_match_html function| callGUITemplate function| renderLegitimateVendors function| renderVendors

6 Cookies

Domain/Path Name / Value
.snigelweb.com/ Name: __cf_bm
Value: H3_OkTbskUhLL3YdL5o5KCpYlNoK5oxymSukp7CYJR4-1710063748-1.0.1.1-nNXw0..1j52cSZ1WbtliNNphFvXHEWmoo440XYar2rcwiqeduvhprUvtvXkMEYeqjIklTRz5kPW36hN0OCtbxA
.w3schools.com/ Name: _sharedID
Value: 7eb645a0-877a-4f19-bdd2-fc5dedf41611
.w3schools.com/ Name: _sharedID_cst
Value: PSytLDEsog%3D%3D
.w3schools.com/ Name: _sharedID_last
Value: Sun%2C%2010%20Mar%202024%2009%3A42%3A29%20GMT
.w3schools.com/ Name: _ga_9YNMTB56NB
Value: GS1.1.1710063749.1.0.1710063749.60.0.0
.w3schools.com/ Name: _ga
Value: GA1.1.1589957456.1710063750

7 Console Messages

Source Level URL
Text
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.

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 frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

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.

adengine.snigelweb.com
c.amazon-adsystem.com
cdn.confiant-integrations.net
cdn.id5-sync.com
cdn.snigelweb.com
cdnx.snigelweb.com
config.aps.amazon-adsystem.com
floor.pbxai.com
gum.criteo.com
match.adsrvr.org
region1.analytics.google.com
secure.cdn.fastclick.net
securepubads.g.doubleclick.net
stats.g.doubleclick.net
www.google.co.uk
www.googletagmanager.com
www.w3schools.com
15.197.193.217
18.156.211.66
18.66.113.225
184.30.211.26
192.229.133.221
2001:4860:4802:32::36
2600:9000:211e:5800:12:7487:7980:93a1
2606:4700:10::6816:3556
2606:4700:4400::6812:2b5a
2606:4700::6812:af8
2a00:1450:4001:811::2002
2a00:1450:4001:81c::2008
2a00:1450:4001:82f::2003
2a00:1450:400c:c09::9c
2a02:2638:3::c
99.86.4.128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