www.coursera.org Open in urlscan Pro
13.32.145.34 Public Scan

Go To Rescan
Add Verdict Report

URL:
https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
Submission: On February 13 via manual (February 13th 2018, 10:31:21 am UTC) from US

Summary HTTP 48 Redirects Links 18 Behaviour Indicators

Summary

This website contacted 19 IPs in 4 countries across 17 domains to perform 48 HTTP transactions. The main IP is 13.32.145.34, located in Seattle, United States and belongs to AMAZON-02 - Amazon.com, Inc., US. The main domain is www.coursera.org.
TLS certificate: Issued by Amazon on October 19th 2017. Valid for: a year.

This is the only time www.coursera.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
5	13.32.145.34 13.32.145.34	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
17	13.32.145.85 13.32.145.85	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
3	13.32.145.80 13.32.145.80	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	216.58.206.8 216.58.206.8	15169 (GOOGLE) (GOOGLE - Google LLC)
4	216.58.206.14 216.58.206.14	15169 (GOOGLE) (GOOGLE - Google LLC)
1	216.58.206.2 216.58.206.2	15169 (GOOGLE) (GOOGLE - Google LLC)
2	185.60.216.19 185.60.216.19	32934 (FACEBOOK) (FACEBOOK - Facebook)
2	204.79.197.200 204.79.197.200	8068 (MICROSOFT...) (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation)
1	13.32.145.55 13.32.145.55	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	13.32.145.86 13.32.145.86	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
2 2	74.125.133.155 74.125.133.155	15169 (GOOGLE) (GOOGLE - Google LLC)
2 3	172.217.22.68 172.217.22.68	15169 (GOOGLE) (GOOGLE - Google LLC)
3	216.58.206.3 216.58.206.3	15169 (GOOGLE) (GOOGLE - Google LLC)
1	172.217.18.162 172.217.18.162	15169 (GOOGLE) (GOOGLE - Google LLC)
1	35.199.9.99 35.199.9.99	15169 (GOOGLE) (GOOGLE - Google LLC)
2	172.217.22.83 172.217.22.83	15169 (GOOGLE) (GOOGLE - Google LLC)
1 2	185.60.216.35 185.60.216.35	32934 (FACEBOOK) (FACEBOOK - Facebook)
1	185.60.216.6 185.60.216.6	32934 (FACEBOOK) (FACEBOOK - Facebook)
1 2	35.158.146.153 35.158.146.153	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 1	185.33.223.210 185.33.223.210	29990 (ASN-APPNEXUS) (ASN-APPNEXUS - AppNexus)
48	19

5 13.32.145.34 (Seattle, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: server-13-32-145-34.fra56.r.cloudfront.net

www.coursera.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

17 13.32.145.85 (Seattle, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: server-13-32-145-85.fra56.r.cloudfront.net

d3njjcbhbojbot.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 13.32.145.80 (Seattle, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: server-13-32-145-80.fra56.r.cloudfront.net

d3njjcbhbojbot.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 216.58.206.8 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s20-in-f8.1e100.net

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 216.58.206.14 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s20-in-f14.1e100.net

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 216.58.206.2 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s20-in-f2.1e100.net

www.googleadservices.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 185.60.216.19 (Ireland)

ASN32934 (FACEBOOK - Facebook, Inc., US)

connect.facebook.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 204.79.197.200 (Redmond, United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US)
PTR: a-0001.a-msedge.net

bat.bing.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 13.32.145.55 (Seattle, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: server-13-32-145-55.fra56.r.cloudfront.net

intljs.rmtag.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 13.32.145.86 (Seattle, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: server-13-32-145-86.fra56.r.cloudfront.net

px.airpr.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 74.125.133.155 (Mountain View, United States) 2 redirects

ASN15169 (GOOGLE - Google LLC, US)
PTR: wo-in-f155.1e100.net

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 172.217.22.68 (Mountain View, United States) 2 redirects

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra15s17-in-f68.1e100.net

www.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 216.58.206.3 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s20-in-f3.1e100.net

www.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 172.217.18.162 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra15s29-in-f2.1e100.net

googleads.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 35.199.9.99 (Ann Arbor, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: 99.9.199.35.bc.googleusercontent.com

tags.rd.linksynergy.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 172.217.22.83 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra15s17-in-f19.1e100.net

ct1.ra.linksynergy.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
nyt2.dc-storm.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 185.60.216.35 (Ireland) 1 redirects

ASN32934 (FACEBOOK - Facebook, Inc., US)

www.facebook.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 185.60.216.6 (Ireland)

ASN32934 (FACEBOOK - Facebook, Inc., US)

cx.atdmt.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 35.158.146.153 (Frankfurt, Germany) 1 redirects

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-35-158-146-153.eu-central-1.compute.amazonaws.com

dpx.airpr.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 185.33.223.210 (European Union) 1 redirects

ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US)

secure.adnxs.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
20	cloudfront.net d3njjcbhbojbot.cloudfront.net	1 MB
5	coursera.org www.coursera.org	52 KB
4	google-analytics.com www.google-analytics.com	15 KB
3	google.de www.google.de	325 B
3	google.com 2 redirects www.google.com	498 B
3	doubleclick.net 2 redirects stats.g.doubleclick.net googleads.g.doubleclick.net	1 KB
3	airpr.com 1 redirects px.airpr.com dpx.airpr.com	2 KB
2	facebook.com 1 redirects www.facebook.com	592 B
2	linksynergy.com tags.rd.linksynergy.com ct1.ra.linksynergy.com	4 KB
2	bing.com bat.bing.com	5 KB
2	facebook.net connect.facebook.net	28 KB
1	adnxs.com 1 redirects secure.adnxs.com	924 B
1	atdmt.com cx.atdmt.com	406 B
1	dc-storm.com nyt2.dc-storm.com	236 B
1	rmtag.com intljs.rmtag.com	16 KB
1	googleadservices.com www.googleadservices.com	6 KB
1	googletagmanager.com www.googletagmanager.com	25 KB
48	17

	Domain	Requested by
20	d3njjcbhbojbot.cloudfront.net	www.coursera.org d3njjcbhbojbot.cloudfront.net
5	www.coursera.org	d3njjcbhbojbot.cloudfront.net
4	www.google-analytics.com	www.googletagmanager.com www.coursera.org
3	www.google.de	www.coursera.org
3	www.google.com	2 redirects www.coursera.org
2	dpx.airpr.com	1 redirects www.coursera.org
2	www.facebook.com	1 redirects www.coursera.org
2	stats.g.doubleclick.net	2 redirects
2	bat.bing.com	www.coursera.org
2	connect.facebook.net	www.coursera.org connect.facebook.net
1	secure.adnxs.com	1 redirects
1	cx.atdmt.com	www.coursera.org
1	nyt2.dc-storm.com	www.coursera.org
1	ct1.ra.linksynergy.com	www.coursera.org
1	tags.rd.linksynergy.com	intljs.rmtag.com
1	googleads.g.doubleclick.net	www.googleadservices.com
1	px.airpr.com	www.coursera.org
1	intljs.rmtag.com	www.coursera.org
1	www.googleadservices.com	www.googletagmanager.com
1	www.googletagmanager.com	d3njjcbhbojbot.cloudfront.net
48	20

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

Domain
videojs.com
itunes.apple.com
play.google.com
about.coursera.org
www.coursera.community
building.coursera.org
blog.coursera.org
www.facebook.com
www.linkedin.com
twitter.com
plus.google.com
learner.coursera.help

Subject Issuer	Validity	Valid
coursera.org Amazon	`2017-10-19` - `2018-11-19`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
Frame ID: (6769A56E3DBD34A981C4B9BCBA52F6A1)
Requests: 50 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Detected technologies

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

script /\/\/connect\.facebook\.net\/[^\/]*\/[a-z]*\.js/i

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

script /google-analytics\.com\/(?:ga|urchin|(analytics))\.js/i
env /^gaGlobal$/i

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

env /^google_tag_manager$/i

webpack (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

env /^webpackJsonp$/i

Page Statistics

48
Requests

10 %
HTTPS

0 %
IPv6

17
Domains

20
Subdomains

19
IPs

4
Countries

1367 kB
Transfer

5398 kB
Size

23
Cookies

18 Outgoing links

These are links going to different origins than the main page.

URL: http://videojs.com/html5-video-support/
Title: supports HTML5 video

Search URL Search Domain Scan URL

URL: https://itunes.apple.com/app/apple-store/id736535961?pt=2334150&ct=Coursera%20Web%20Promo%20Banner&mt=8

Search URL Search Domain Scan URL

URL: http://play.google.com/store/apps/details?id=org.coursera.android

Search URL Search Domain Scan URL

URL: https://about.coursera.org/
Title: About

Search URL Search Domain Scan URL

URL: https://about.coursera.org/leadership
Title: Leadership

Search URL Search Domain Scan URL

URL: http://www.coursera.community/#mentor
Title: Mentors

Search URL Search Domain Scan URL

URL: http://www.coursera.community/#gtc
Title: Translators

Search URL Search Domain Scan URL

URL: https://building.coursera.org/developer-program/
Title: Developers

Search URL Search Domain Scan URL

URL: http://www.coursera.community/#beta-tester
Title: Beta Testers

Search URL Search Domain Scan URL

URL: http://blog.coursera.org/
Title: Blog

Search URL Search Domain Scan URL

URL: https://www.facebook.com/Coursera
Title: Facebook

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/company/coursera
Title: LinkedIn

Search URL Search Domain Scan URL

URL: http://twitter.com/coursera
Title: Twitter

Search URL Search Domain Scan URL

URL: https://plus.google.com/+Coursera
Title: Google+

Search URL Search Domain Scan URL

URL: https://building.coursera.org/
Title: Tech Blog

Search URL Search Domain Scan URL

URL: https://learner.coursera.help/hc
Title: Help

Search URL Search Domain Scan URL

URL: https://learner.coursera.help/hc/en-us/articles/208280056-Accommodations-for-learners-with-disabilities
Title: Accessibility

Search URL Search Domain Scan URL

URL: https://about.coursera.org/affiliates
Title: Affiliates

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 28

https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j66&tid=UA-28377374-1&cid=1897326542.1518517869&jid=1008063567&gjid=1885194901&_gid=221772568.1518517869&_u=YGBAgAAB~&z=1594613986 HTTP 302
https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-28377374-1&cid=1897326542.1518517869&jid=1008063567&_v=j66&z=1594613986 HTTP 302
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-28377374-1&cid=1897326542.1518517869&jid=1008063567&_v=j66&z=1594613986&slf_rd=1&random=3608764040

Request Chain 30

https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j66&tid=UA-86370891-1&cid=1897326542.1518517869&jid=1350247359&gjid=661521234&_gid=221772568.1518517869&_u=YGDAgAAB~&z=1368532707 HTTP 302
https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-86370891-1&cid=1897326542.1518517869&jid=1350247359&_v=j66&z=1368532707 HTTP 302
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-86370891-1&cid=1897326542.1518517869&jid=1350247359&_v=j66&z=1368532707&slf_rd=1&random=4235148478

Request Chain 46

https://www.facebook.com/tr/?id=946401778754875&ev=Microdata&dl=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fruby-on-rails-intro%2Flecture%2F4sSUf%2Fblocks&rl=&if=false&ts=1518517869929&cd[Schema.org]=%5B%5D&cd[OpenGraph]=%7B%22og%3Asite_name%22%3A%22Coursera%22%2C%22og%3Aurl%22%3A%22https%3A%2F%2Fwww.coursera.org%2Flearn%2Fruby-on-rails-intro%2Flecture%2F4sSUf%2Fblocks%22%2C%22og%3Alocale%22%3A%22en_US%22%2C%22og%3Atype%22%3A%22website%22%2C%22og%3Atitle%22%3A%22Coursera%20%7C%20Online%20Courses%20From%20Top%20Universities.%20Join%20for%20Free%22%2C%22og%3Adescription%22%3A%22%201000%2B%20courses%20from%20schools%20like%20Stanford%20and%20Yale%20-%20no%20application%20required.%20Build%20career%20skills%20in%20data%20science%2C%20computer%20science%2C%20business%2C%20and%20more.%22%2C%22og%3Aimage%22%3A%22http%3A%2F%2Fs3.amazonaws.com%2Fcoursera%2Fmedia%2FCoursera_Computer_Narrow.png%22%7D&cd[Meta]=%7B%22title%22%3A%22Coursera%20%7C%20Online%20Courses%20From%20Top%20Universities.%20Join%20for%20Free%22%2C%22meta%3Adescription%22%3A%22%201000%2B%20courses%20from%20schools%20like%20Stanford%20and%20Yale%20-%20no%20application%20required.%20Build%20career%20skills%20in%20data%20science%2C%20computer%20science%2C%20business%2C%20and%20more.%22%7D&cd[DataLayer]=%5B%5D&sw=1600&sh=1200&v=2.8.11&r=stable&o=28 HTTP 302
https://cx.atdmt.com/?c=740736804845703398&f=AYwtTE2bHXlLY-0Szr3nlUtl307-wiS0NopQUbLxdZfSFsF-vQ71UD5RjV0RdIS4liKnoYXUk0r77dmZzzP4t9Ef&id=946401778754875&l=3&v=0

Request Chain 48

https://dpx.airpr.com/px?hostname=www.coursera.org&profile=792485&ga_account_id=UA-86370891-1&ga_account_type=UA&ga_c=1897326542.1518517869&an=true HTTP 302
https://secure.adnxs.com/getuid?https://dpx.airpr.com/anpx?adnxs_uid=$UID&airpr_id=83307918 HTTP 302
https://dpx.airpr.com/anpx?adnxs_uid=8233771355816459049&airpr_id=83307918

48 HTTP transactions
2 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2 200 Primary Request blocks Show response
www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/ 242 KB
51 KB 999ms
773ms Document
text/html 13.32.145.34
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL

https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

13.32.145.34 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

server-13-32-145-34.fra56.r.cloudfront.net

Software

/ Express

Resource Hash

f3934b0870285508251e8904de55ea606d8951aac1e8b8457b75e6fa10aef296

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

:path: /learn/ruby-on-rails-intro/lecture/4sSUf/blocks
accept-encoding: gzip, deflate
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
:authority: www.coursera.org
:scheme: https
:method: GET
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date: Tue, 13 Feb 2018 10:31:08 GMT
content-encoding: gzip
x-content-type-options: nosniff
x-powered-by: Express
x-cache: Miss from cloudfront
status: 200
x-coursera-request-id: AJKtPBCpEeiXXxIcCyoUlA
x-coursera-render-version: v2
vary: Accept-Encoding
x-xss-protection: 1; mode=block
etag: W/"2e43a-y5hOok4Jw9FIAzqofF11mRzFajI"
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000; includeSubDomains
content-type: text/html
via: 1.1 c4ada86230c95b165d889d1f1d10389d.cloudfront.net (CloudFront)
x-coursera-render-mode: json
cache-control: private, no-cache, no-store, must-revalidate, max-age=0
set-cookie: CSRF3-Token=1519381867.XJG6Viscnz4REWqP; Max-Age=864000; Expires=Fri, 23 Feb 2018 10:31:08 GMT; Path=/; Domain=.coursera.org __204u=3650354251-1518517867994; Max-Age=31536000; Expires=Wed, 13 Feb 2019 10:31:08 GMT; Path=/; Domain=.coursera.org
x-amz-cf-id: jBTjKUJjt180swGRCnHDUABmG32gVJsrRpipH7AJsr8KuCxSRj3icA==
x-coursera-trace-id-hex: 3dc61d6569719520

GET
S 200 app.b1d6e94f9f2fdd69fcf6.css
d3njjcbhbojbot.cloudfront.net/webapps/builds/video-logged-out-page/ 409 KB
63 KB 45ms
8ms Stylesheet
text/css 13.32.145.85
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL

https://d3njjcbhbojbot.cloudfront.net/webapps/builds/video-logged-out-page/app.b1d6e94f9f2fdd69fcf6.css

Requested by

Host: www.coursera.org
URL: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks

Protocol

SPDY

Server

13.32.145.85 Seattle, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

server-13-32-145-85.fra56.r.cloudfront.net

Software

AmazonS3 /

Resource Hash

297552f3d6cdb557553529b093c1b672c86edb49c85a72a5cf7fc1f0475fa462

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

Referer: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

date: Thu, 08 Feb 2018 20:42:43 GMT
content-encoding: gzip
x-content-type-options: nosniff
age: 395306
x-cache: Hit from cloudfront
status: 200
x-coursera-request-id: nDSWpQ0QEeiw1QqhcfmC3A
vary: Accept-Encoding
x-xss-protection: 1; mode=block
access-control-allow-origin: *
last-modified: Thu, 08 Feb 2018 20:31:03 GMT
server: AmazonS3
x-frame-options: SAMEORIGIN
etag: "93de223f1f5cbf1b1caaef477cf8a94c"
strict-transport-security: max-age=31536000; includeSubDomains
access-control-allow-methods: GET
content-type: text/css
via: 1.1 bab68affea15bbe0bb14b61f027cc282.cloudfront.net (CloudFront)
cache-control: max-age=2592000, immutable
accept-ranges: bytes
x-amz-cf-id: yDvq2T1IRQOWK79DlYoxC-onnTAVk0H5CkjgpfJMEPWhgc3YXMtUOQ==
x-coursera-trace-id-hex: b11b59256acf7f70

GET
S 200 preloader.f1f64a3cd86fe0cb8e37.dll.js Show response
d3njjcbhbojbot.cloudfront.net/webapps/builds/dll/ 81 KB
25 KB 51ms
14ms Script
application/javascript 13.32.145.85
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL

https://d3njjcbhbojbot.cloudfront.net/webapps/builds/dll/preloader.f1f64a3cd86fe0cb8e37.dll.js

Requested by

Host: www.coursera.org
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185.60.216.6
Facebook

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://cx.atdmt.com/?c=740736804845703398&f=AYwtTE2bHXlLY-0Szr3nlUtl307-wiS0NopQUbLxdZfSFsF-vQ71UD5RjV0RdIS4liKnoYXUk0r77dmZzzP4t9Ef&id=946401778754875&l=3&v=0
Requested by: Host: www.coursera.org
URL: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
Protocol: SPDY
Server: 185.60.216.6 , Ireland, ASN32934 (FACEBOOK - Facebook, Inc., US),
Reverse DNS
Software: /
Resource Hash: 6d8ba81d1b60a18707722a1f2b62dad48a6acced95a1933f49a68b5016620b93

Request headers

Referer: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

status: 200
date: Tue, 13 Feb 2018 10:31:10 GMT
content-type: image/gif
content-length: 42
p3p: CP="NOI DSP COR CUR ADM DEV TAIo PSAo PSDo OUR BUS UNI PUR COM NAV INT DEM STA PRE OTC"

Redirect headers

pragma: no-cache
date: Tue, 13 Feb 2018 10:31:09 GMT
server: proxygen
status: 302
content-type: text/plain
location: https://cx.atdmt.com/?c=740736804845703398&f=AYwtTE2bHXlLY-0Szr3nlUtl307-wiS0NopQUbLxdZfSFsF-vQ71UD5RjV0RdIS4liKnoYXUk0r77dmZzzP4t9Ef&id=946401778754875&l=3&v=0
cache-control: no-cache, no-store, must-revalidate
content-length: 0
expires: 0

GET
S 200 collect
www.google-analytics.com/ 35 B
109 B 6ms
5ms Image
image/gif 216.58.206.14
Google LLC

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/collect?v=1&_v=j66&a=1998313959&t=event&ni=1&_s=2&dl=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fruby-on-rails-intro%2Flecture%2F4sSUf%2Fblocks&ul=en-us&de=UTF-8&dt=Coursera%20%7C%20Online%20Courses%20From%20Top%20Universities.%20Join%20for%20Free&sd=24-bit&sr=1600x1200&vp=1585x1185&je=0&ec=airpr&ea=visitor%20hit&_u=aHDAgAAB~&jid=&gjid=&cid=1897326542.1518517869&tid=UA-86370891-1&_gid=221772568.1518517869&gtm=G265JKLVK&cd3=1897326542.1518517869&z=110059394

Requested by

Host: www.coursera.org
URL: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks

Protocol

SPDY

Server

216.58.206.14 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra16s20-in-f14.1e100.net

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 04 Feb 2018 13:54:40 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
age: 765390
status: 200
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
alt-svc: hq=":443"; ma=2592000; quic=51303431; quic=51303339; quic=51303338; quic=51303337; quic=51303335,quic=":443"; ma=2592000; v="41,39,38,37,35"
content-length: 35
expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H/1.1

204
No Content

anpx
dpx.airpr.com/
Redirect Chain

https://dpx.airpr.com/px?hostname=www.coursera.org&profile=792485&ga_account_id=UA-86370891-1&ga_account_type=UA&ga_c=1897326542.1518517869&an=true
https://secure.adnxs.com/getuid?https://dpx.airpr.com/anpx?adnxs_uid=$UID&airpr_id=83307918
https://dpx.airpr.com/anpx?adnxs_uid=8233771355816459049&airpr_id=83307918

0
171 B

8ms
8ms

Image
image/gif

35.158.146.153
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dpx.airpr.com/anpx?adnxs_uid=8233771355816459049&airpr_id=83307918
Requested by: Host: www.coursera.org
URL: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
Protocol: HTTP/1.1
Server: 35.158.146.153 Frankfurt, Germany, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS: ec2-35-158-146-153.eu-central-1.compute.amazonaws.com
Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Response headers

Date: Tue, 13 Feb 2018 10:31:14 GMT
Cache-Control: private
Server: nginx
Connection: keep-alive
Content-Length: 0
Content-Type: image/gif

Redirect headers

Pragma: no-cache
Date: Tue, 13 Feb 2018 10:31:12 GMT
X-Proxy-Origin: 148.251.45.254; 148.251.45.254; 307.bm-nginx-loadbalancer.mgmt.ams1; *.adnxs.com; 185.33.223.238:80
AN-X-Request-Uuid: 2f28bd3a-b1f3-4a5c-abcb-b773b910b328
Server: nginx/1.13.4
P3P: policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Location: https://dpx.airpr.com/anpx?adnxs_uid=8233771355816459049&airpr_id=83307918
Cache-Control: no-store, no-cache, private
Connection: keep-alive
Content-Type: text/html; charset=utf-8
Content-Length: 0
X-XSS-Protection: 0
Expires: Sat, 15 Nov 2008 16:00:00 GMT

Verdicts & Comments Add Verdict or Comment

52 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.

23 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.mathtag.com/	1970-01-18 23:14:33	Name: uuid Value: 542c5a82-ba06-4800-9a53-2cad5b7aa160
.mathtag.com/	1970-01-18 23:14:33	Name: uuidc Value: ZilSI8e2eYf2Fy20zDpqB7C9Yvg0TZxQEFmVbZpM0IOvUsSpc29hf3ZBxXoH6yV2n+K4CwZYz8r9Jc+ahjHp3alr+gmvfhtjKDI04r2THmI=
.rd.linksynergy.com/	1970-01-18 22:34:13	Name: pID Value: 6577[nO_yqTe0EeWYbg7p2_3OHQ]h
tags.rd.linksynergy.com/	1969-12-31 23:59:59	Name: SERVERID Value: prod,0(7247256125901542203)Dockerhost
.linksynergy.com/	1970-01-18 22:34:13	Name: icts Value: 2018-02-13T10:31:08Z
.coursera.org/	1970-01-18 13:48:39	Name: __400vt Value: 1518517869416
.mathtag.com/	1970-01-18 14:31:49	Name: mt_misc Value: mt_bt:1/
.coursera.org/	1970-01-18 22:34:13	Name: stc113717 Value: tsa:1518517869408.526635903.5889745.7601515534217449.1:20180213110109\|env:1%7C20180316103109%7C20180213110109%7C1%7C1030880:20190213103109\|uid:1518517869408.1804269904.6478586.113717.33745159.8:20190213103109\|srchist:1030880%3A1%3A20180316103109:20190213103109
.mathtag.com/	1970-01-18 14:28:57	Name: HRL8 Value: 3JbzIBc_vRXocglwrvXbjqQD6L62mZsMeR3_KgZMKNBEtgdSOkTwr6A
www.coursera.org/	1970-01-18 13:50:04	Name: ip_origin Value: US
.coursera.org/	1970-01-18 13:48:37	Name: _dc_gtm_UA-86370891-1 Value: 1
.coursera.org/	1970-01-18 13:48:39	Name: _uetsid Value: _uet85625318
.mathtag.com/	1970-01-18 14:31:49	Name: mt_mop Value:
.coursera.org/	1970-01-18 13:50:04	Name: _gid Value: GA1.2.221772568.1518517869
www.coursera.org/	1970-01-18 13:50:04	Name: ip_currency Value: USD
.rd.linksynergy.com/	1970-01-18 22:34:13	Name: cID Value: 6577[learn]h
.coursera.org/	1970-01-18 22:34:13	Name: __204u Value: 3650354251-1518517867994
.coursera.org/	1970-01-18 13:48:37	Name: _dc_gtm_UA-28377374-1 Value: 1
.linksynergy.com/	1970-01-18 22:34:13	Name: rmuid Value: 9ccefa62-df23-48ad-b4f0-0f3a4b29f4ad
.coursera.org/	1970-01-19 07:19:49	Name: _ga Value: GA1.2.1897326542.1518517869
.coursera.org/	1970-01-18 14:03:01	Name: CSRF3-Token Value: 1519381867.XJG6Viscnz4REWqP
.coursera.org/	1970-01-18 13:48:39	Name: __400v Value: 6db716bf-60f5-4c5b-cb80-3f4f53d1042d
.coursera.org/	1970-01-18 22:34:13	Name: __204r Value:

2 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
console-api	error	URL: https://www.coursera.org/learn/ruby-on-rails-intro/lecture/4sSUf/blocks(Line 172) Message: {"stack":"SyntaxError: Unexpected token )","message":"Unexpected token )"}
console-api	error	URL: https://d3njjcbhbojbot.cloudfront.net/webapps/builds/video-logged-out-page/en.app.b1d6e94f9f2fdd69fcf6.js(Line 57) Message: Uh oh. America/Los_Angeles, but the client best guess is UTC. Going to use UTC instead.

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
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

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.

bat.bing.com
connect.facebook.net
ct1.ra.linksynergy.com
cx.atdmt.com
d3njjcbhbojbot.cloudfront.net
dpx.airpr.com
googleads.g.doubleclick.net
intljs.rmtag.com
nyt2.dc-storm.com
px.airpr.com
secure.adnxs.com
stats.g.doubleclick.net
tags.rd.linksynergy.com
www.coursera.org
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
13.32.145.34
13.32.145.55
13.32.145.80
13.32.145.85
13.32.145.86
172.217.18.162
172.217.22.68
172.217.22.83
185.33.223.210
185.60.216.19
185.60.216.35
185.60.216.6
204.79.197.200
216.58.206.14
216.58.206.2
216.58.206.3
216.58.206.8
35.158.146.153
35.199.9.99
74.125.133.155
0107963e010bbb302349dc5f7736bf386fd70b88d6a45773e1f4fec00629ed11
06707af8c45c3dabdeb4308f86a5ccde1925a93b1033862736bf59d4cb535c27
0c42bcb273fe6c7eadbe2408996ecf8347fbf9bffbfb41b58cbc9c8bc085a53c
0c9ee601c2dabac7e879e6bdbd131e73def4f28b3398680e56399ad268887bb2
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
144f548a7f7cce8b0f12892ab2ee4ef035b8692faa8148f2e4b58b0212a00ae8
1678e83a44c5a7df170439382bdb7c10e5ce6bd68b4bde7cd3d36db49c699b60
1b91e899a6ada417b799f9f2effce6ba0ebec9f67b3cfe61f9677b03765c27b8
230fd37af69d9b9ffe687ebda6a7385d939b16ec23df7ab1da76b20c067385ba
246d5c523f217e461cc70dac8397b5871a9b1e975d48a7e6c731bce5b736df46
25178aeef6eb6b83b96f5f2d004eda3bffbb37122de64afbaef7107b384a4132
254c92b40273e00dbe03b16e80a5eb68c214b0dba8bcb3072c447489c28e6892
27cd07680bd69ac01a57283aaaba78498f5695666b2fa549e90048b7a995ac59
282a26468186394278623dc61859f6a7927fc3fc79a5bb00034b5b2ff202de9f
28f25a04d55705fc9efd8e35300add119bde192ce65f90ddd88b5d0a268b3335
297552f3d6cdb557553529b093c1b672c86edb49c85a72a5cf7fc1f0475fa462
29ffc149b62c81598d2a87ce3a0b3b3eba0116a454622f49ec0b6e3328dab0a1
33f69b362813dc8b98c96fe0958244efc315e942931e55edc95477a0802b7220
397437d1c37548aa9a7a17e886e3b85b677e9c56ce824f19fa3813858180ffdc
530d9ed88c4b134108aa89d2b4bce3eee93e7657d196f3c22bc5fadfc887818b
550a4dfc58787f8958d780b6401855bf19b303f0396cec2df8059fb691c18612
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
6be8dcca4779f474302f8af6f6ff14c8d395d648ca6e761f0189615b492d16b4
6d8ba81d1b60a18707722a1f2b62dad48a6acced95a1933f49a68b5016620b93
732d5765c33eff81c7825dcc5e8cd1eda32dc04f39da7cae66accf9580b1e3a7
81a58673eae8c7b9fd956f6c2f9153e4e1cb70636fe061f60c4415b9991bec92
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
865037874d0c7ed639632aacb2dc9f6e47356410508445efda259165c0a361fb
9d02d662da8a47fb5fb610b545007507b6017028043dbb63cd09ec897d3b9627
ae31b149bd01771aee8dd31318387b85df4cfc62d3181484d463d83b2af2a0f7
af1c6675e35a944e21efead3c20ca07260419592e6601908a72d5ec6e446faf5
c7c63b43903d698f7c8b28360ce19c81b574db3288a8db01a29ac72ffba1327b
d08e9514c00c6fa85384a98cfbd566be45e862e37f438ac96f5f08e7a6f90ec0
d52cba23b5a9d43cc8f2868555d54fb76281012dc3b76e64305503322a082e40
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
f3934b0870285508251e8904de55ea606d8951aac1e8b8457b75e6fa10aef296
f8ef655ef916e39713ede9c6db56d7ca5618bd82cf5ac991dcd013f05e0fdfc7
fbf5a2df1e1aeefea9f3b91903b8cf0d2bd6d430f5a9c662410b96926e6182c1

www.coursera.org Open in urlscan Pro 13.32.145.34 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Detected technologies

Page Statistics

48 Requests

10 %HTTPS

0 %IPv6

17 Domains

20 Subdomains

19 IPs

4 Countries

1367 kBTransfer

5398 kBSize

23 Cookies

18 Outgoing links

Redirected requests

48 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

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www.coursera.org Open in urlscan Pro
13.32.145.34 Public Scan

Screenshot
Live screenshot

Full Image

48
Requests

10 %
HTTPS

0 %
IPv6

17
Domains

20
Subdomains

19
IPs

4
Countries

1367 kB
Transfer

5398 kB
Size

23
Cookies

48 HTTP transactions
2 data transactions