URL: http://quizlet.com/
Submission: On December 15 via api from GB

Summary

This website contacted 5 IPs in 2 countries across 3 domains to perform 7 HTTP transactions. The main IP is 104.16.17.221, located in United States and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is quizlet.com.
This is the only time quizlet.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 104.16.17.221 13335 (CLOUDFLAR...)
3 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 130.211.138.67 15169 (GOOGLE)
7 5
Apex Domain
Subdomains
Transfer
3 google.com
www.google.com
575 B
3 quizlet.com
quizlet.com
external.quizlet.com
56 KB
1 gstatic.com
www.gstatic.com
91 KB
7 3
Domain Requested by
3 www.google.com quizlet.com
www.gstatic.com
2 quizlet.com quizlet.com
1 external.quizlet.com quizlet.com
1 www.gstatic.com www.google.com
7 4

This site contains no links.

Subject Issuer Validity Valid
www.google.com
GTS CA 1O1
2019-11-13 -
2020-02-05
3 months crt.sh
*.google.com
GTS CA 1O1
2019-11-13 -
2020-02-05
3 months crt.sh

This page contains 3 frames:

Primary Page: http://quizlet.com/
Frame ID: 9389206DD4F83A6E9A06C77F6D28D9CC
Requests: 6 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0&co=aHR0cDovL3F1aXpsZXQuY29tOjgw&hl=en&v=mhgGrlTs_PbFQOW4ejlxlxZn&size=normal&cb=mqsk3zjiua29
Frame ID: 250594A92C8587870044062B2C5CAE08
Requests: 1 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/bframe?hl=en&v=mhgGrlTs_PbFQOW4ejlxlxZn&k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0&cb=i9cvpotni5mc
Frame ID: 7DD66AF9C343889362FCC02ADBE31CB1
Requests: 1 HTTP requests in this frame

Screenshot


Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /^cloudflare$/i

Page Statistics

7
Requests

57 %
HTTPS

50 %
IPv6

3
Domains

4
Subdomains

5
IPs

2
Countries

161 kB
Transfer

348 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request Cookie set /
quizlet.com/
70 KB
52 KB
Document
General
Full URL
http://quizlet.com/
Protocol
HTTP/1.1
Server
104.16.17.221 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
4e5df5e48085ca341dd154c63f90ddd8b6343cdbd0f69d609d0e087000238675
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Host
quizlet.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Accept-Encoding
gzip, deflate
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Sun, 15 Dec 2019 13:27:28 GMT
Content-Type
text/html; charset=UTF-8
Transfer-Encoding
chunked
Connection
close
CF-Chl-Bypass
1
Set-Cookie
__cfduid=de3c94079392751d61cb04de63e593bb21576416448; expires=Tue, 14-Jan-20 13:27:28 GMT; path=/; domain=.quizlet.com; HttpOnly; Secure __cf_bm=10b7a746e8890ea59fe58af4937b86b2205f69cc-1576416448-1800-AcN5MA2SJrL8PasNXfBnZ5KmURBcwJK9Ogg1J8aJvvmcQG1KQSPT1WWuedZgWgffunNwi131rMTt6bALlT54ltU=; path=/; expires=Sun, 15-Dec-19 13:57:28 GMT; domain=.quizlet.com; HttpOnly
Cache-Control
no-cache
X-Frame-Options
SAMEORIGIN
Vary
Accept-Encoding
Server
cloudflare
CF-RAY
5458c1505aedbd8c-AMS
Content-Encoding
gzip
cf.challenge.js
quizlet.com/cdn-cgi/scripts/
10 KB
4 KB
Script
General
Full URL
http://quizlet.com/cdn-cgi/scripts/cf.challenge.js
Requested by
Host: quizlet.com
URL: http://quizlet.com/
Protocol
HTTP/1.1
Server
104.16.17.221 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
4d7f52bd0f44f3389dd752e81f1432ea3ad1f97a5df149b49ebff065b65a2f2f
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
http://quizlet.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Date
Sun, 15 Dec 2019 13:27:28 GMT
Content-Encoding
gzip
Last-Modified
Tue, 10 Dec 2019 17:31:15 GMT
Server
cloudflare
X-Frame-Options
SAMEORIGIN
ETag
W/"5defd663-2691"
Vary
Accept-Encoding
Content-Type
application/javascript
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
CF-RAY
5458c150df7bd8c5-AMS
Expires
Tue, 17 Dec 2019 13:27:28 GMT
truncated
/
14 KB
14 KB
Font
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
4194a431cca6678145f2c4d7d2e597087e2a76a4878c26b66315b2ba4f4ea393

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
http://quizlet.com/
Origin
http://quizlet.com

Response headers

Content-Type
application/octet-stream;charset=binary
api.js
www.google.com/recaptcha/
788 B
575 B
Script
General
Full URL
https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit
Requested by
Host: quizlet.com
URL: http://quizlet.com/cdn-cgi/scripts/cf.challenge.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:825::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
GSE /
Resource Hash
729b1cd413a2ab9d5710069d68eb765cfbc9e2cd7b2b53cf7ac508fee08f4d44
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
http://quizlet.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 15 Dec 2019 13:27:28 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
GSE
x-frame-options
SAMEORIGIN
content-type
text/javascript; charset=UTF-8
status
200
cache-control
private, max-age=300
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
content-length
483
x-xss-protection
1; mode=block
expires
Sun, 15 Dec 2019 13:27:28 GMT
recaptcha__en.js
www.gstatic.com/recaptcha/releases/mhgGrlTs_PbFQOW4ejlxlxZn/
254 KB
91 KB
Script
General
Full URL
https://www.gstatic.com/recaptcha/releases/mhgGrlTs_PbFQOW4ejlxlxZn/recaptcha__en.js
Requested by
Host: www.google.com
URL: https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
c2cca14e4dbf2994f90b91ef01ec4d6eb6b560b429d028317d624d9b5f4bdcb0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
http://quizlet.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Mon, 09 Dec 2019 17:50:15 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Mon, 09 Dec 2019 05:03:14 GMT
server
sffe
age
502633
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=31536000
accept-ranges
bytes
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
content-length
92878
x-xss-protection
0
expires
Tue, 08 Dec 2020 17:50:15 GMT
anchor
www.google.com/recaptcha/api2/ Frame 2505
0
0
Document
General
Full URL
https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0&co=aHR0cDovL3F1aXpsZXQuY29tOjgw&hl=en&v=mhgGrlTs_PbFQOW4ejlxlxZn&size=normal&cb=mqsk3zjiua29
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/mhgGrlTs_PbFQOW4ejlxlxZn/recaptcha__en.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:825::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
GSE /
Resource Hash
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-ZQlLDcsC19n9mJy8PGm2Zw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
www.google.com
:scheme
https
:path
/recaptcha/api2/anchor?ar=1&k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0&co=aHR0cDovL3F1aXpsZXQuY29tOjgw&hl=en&v=mhgGrlTs_PbFQOW4ejlxlxZn&size=normal&cb=mqsk3zjiua29
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
sec-fetch-site
cross-site
sec-fetch-mode
nested-navigate
referer
http://quizlet.com/
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
http://quizlet.com/

Response headers

status
200
content-type
text/html; charset=utf-8
cache-control
no-cache, no-store, max-age=0, must-revalidate
pragma
no-cache
expires
Mon, 01 Jan 1990 00:00:00 GMT
date
Sun, 15 Dec 2019 13:27:28 GMT
content-security-policy
script-src 'report-sample' 'nonce-ZQlLDcsC19n9mJy8PGm2Zw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-encoding
gzip
x-content-type-options
nosniff
x-xss-protection
1; mode=block
content-length
9196
server
GSE
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
/
external.quizlet.com/
0
194 B
XHR
General
Full URL
http://external.quizlet.com/?type=basic_security&page=http%3A%2F%2Fquizlet.com%2F&http_status=???&cloudflare_dc=???&error_title=&user_agent=Mozilla%2F5.0%20(Macintosh%3B%20Intel%20Mac%20OS%20X%2010_14_5)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F74.0.3729.169%20Safari%2F537.36
Requested by
Host: quizlet.com
URL: http://quizlet.com/
Protocol
HTTP/1.1
Server
130.211.138.67 Mountain View, United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
67.138.211.130.bc.googleusercontent.com
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
http://quizlet.com/
Origin
http://quizlet.com

Response headers

Access-Control-Allow-Origin
*
Date
Sun, 15 Dec 2019 13:27:28 GMT
Server
nginx
Connection
keep-alive
Content-Length
0
Content-Type
text/html; charset=UTF-8
bframe
www.google.com/recaptcha/api2/ Frame 7DD6
0
0
Document
General
Full URL
https://www.google.com/recaptcha/api2/bframe?hl=en&v=mhgGrlTs_PbFQOW4ejlxlxZn&k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0&cb=i9cvpotni5mc
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/recaptcha/releases/mhgGrlTs_PbFQOW4ejlxlxZn/recaptcha__en.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:825::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
GSE /
Resource Hash
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-YyNDIvlmptO+p14DPF01MA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
www.google.com
:scheme
https
:path
/recaptcha/api2/bframe?hl=en&v=mhgGrlTs_PbFQOW4ejlxlxZn&k=6LfBixYUAAAAABhdHynFUIMA_sa4s-XsJvnjtgB0&cb=i9cvpotni5mc
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
sec-fetch-site
cross-site
sec-fetch-mode
nested-navigate
referer
http://quizlet.com/
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
http://quizlet.com/

Response headers

status
200
content-type
text/html; charset=utf-8
cache-control
no-cache, no-store, max-age=0, must-revalidate
pragma
no-cache
expires
Mon, 01 Jan 1990 00:00:00 GMT
date
Sun, 15 Dec 2019 13:27:28 GMT
content-security-policy
script-src 'report-sample' 'nonce-YyNDIvlmptO+p14DPF01MA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-encoding
gzip
x-content-type-options
nosniff
x-xss-protection
1; mode=block
content-length
1112
server
GSE
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000

Verdicts & Comments Add Verdict or Comment

8 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| onformdata object| onpointerrawupdate function| onloadCallback object| ___grecaptcha_cfg object| grecaptcha boolean| __google_recaptcha_client object| recaptcha object| closure_lm_951328

1 Cookies

Domain/Path Name / Value
.quizlet.com/ Name: __cf_bm
Value: 10b7a746e8890ea59fe58af4937b86b2205f69cc-1576416448-1800-AcN5MA2SJrL8PasNXfBnZ5KmURBcwJK9Ogg1J8aJvvmcQG1KQSPT1WWuedZgWgffunNwi131rMTt6bALlT54ltU=

Security Headers

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

Header Value
X-Frame-Options SAMEORIGIN