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previews.dropboxusercontent.com Open in urlscan Pro
2620:100:6019:16::a27d:410  Public Scan

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Submitted URL: https://previews.dropboxusercontent.com.mcas-gov.us/
Effective URL: https://previews.dropboxusercontent.com/
Submission: On November 06 via api from JP — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 1 countries across 5 domains to perform 9 HTTP transactions. The main IP is 2620:100:6019:16::a27d:410, located in United States and belongs to DROPBOX, US. The main domain is previews.dropboxusercontent.com. The Cisco Umbrella rank of the primary domain is 30926.
TLS certificate: Issued by DigiCert TLS RSA SHA256 2020 CA1 on September 16th 2022. Valid for: a year.
This is the only time previews.dropboxusercontent.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 13.72.27.219 8075 (MICROSOFT...)
3 2600:141b:13:... 20940 (AKAMAI-ASN1)
1 2620:100:6019... 19679 (DROPBOX)
3 2606:4700::68... 13335 (CLOUDFLAR...)
1 52.222.236.76 16509 (AMAZON-02)
9 5
1    13.72.27.219 (Boydton, United States)

ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
previews.dropboxusercontent.com.mcas-gov.us
3    2600:141b:13::17d7:827a (New York, United States)

ASN20940 (AKAMAI-ASN1, NL)
mcasproxy.azureedge.net
1    2620:100:6019:16::a27d:410 (United States)

ASN19679 (DROPBOX, US)
previews.dropboxusercontent.com
3    2606:4700::6810:641d (United States)

ASN13335 (CLOUDFLARENET, US)
cfl.dropboxstatic.com
1    52.222.236.76 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-222-236-76.fra56.r.cloudfront.net
assets.dropbox.com
Apex Domain
Subdomains		 Transfer
3 dropboxstatic.com
cfl.dropboxstatic.com — Cisco Umbrella Rank: 24707
167 KB
3 azureedge.net
mcasproxy.azureedge.net — Cisco Umbrella Rank: 86901
44 KB
1 dropbox.com
assets.dropbox.com — Cisco Umbrella Rank: 99986
5 KB
1 dropboxusercontent.com
previews.dropboxusercontent.com — Cisco Umbrella Rank: 30926
821 B
1 mcas-gov.us
previews.dropboxusercontent.com.mcas-gov.us
902 B
9 5
Domain Requested by
3 cfl.dropboxstatic.com previews.dropboxusercontent.com
cfl.dropboxstatic.com
3 mcasproxy.azureedge.net previews.dropboxusercontent.com.mcas-gov.us
mcasproxy.azureedge.net
1 assets.dropbox.com previews.dropboxusercontent.com
1 previews.dropboxusercontent.com
1 previews.dropboxusercontent.com.mcas-gov.us
9 5

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

Domain
www.dropbox.com
Subject Issuer Validity Valid
*.mcas-gov.us
DigiCert SHA2 Secure Server CA		 2022-09-13 -
2023-09-13		 a year crt.sh
*.azureedge.net
Microsoft Azure ECC TLS Issuing CA 01		 2022-07-27 -
2023-07-22		 a year crt.sh
*.previews.dropboxusercontent.com
DigiCert TLS RSA SHA256 2020 CA1		 2022-09-16 -
2023-09-27		 a year crt.sh
cfl.dropboxstatic.com
DigiCert TLS RSA SHA256 2020 CA1		 2022-02-22 -
2023-03-07		 a year crt.sh
enterprise.dropbox.com
DigiCert TLS RSA SHA256 2020 CA1		 2022-03-24 -
2023-03-02		 a year crt.sh

This page contains 2 frames:

Primary Page: https://previews.dropboxusercontent.com/
Frame ID: 372EE39B64884D16FA91BD880CB98BE0
Requests: 7 HTTP requests in this frame

Frame: https://mcasproxy.azureedge.net/proxyweb/1.22.33/html/session-context-restore.html
Frame ID: 457DB204F2086526F0C32796BE5AF1FA
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Dropbox - 404

Page URL History Show full URLs

  1. https://previews.dropboxusercontent.com.mcas-gov.us/ Page URL
  2. https://previews.dropboxusercontent.com/ Page URL

Page Statistics

9
Requests

100 %
HTTPS

60 %
IPv6

5
Domains

5
Subdomains

5
IPs

1
Countries

218 kB
Transfer

412 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://previews.dropboxusercontent.com.mcas-gov.us/ Page URL
  2. https://previews.dropboxusercontent.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
/
previews.dropboxusercontent.com.mcas-gov.us/ 		1 KB
902 B 		Document
General
Check archive.org
Download Go to
Full URL
https://previews.dropboxusercontent.com.mcas-gov.us/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
13.72.27.219 Boydton, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
openresty /
Resource Hash
3b6da7c78e20eb0591342e359caa762098ccf612733a939ec35c8c0449f6033e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

cache-control
max-age=0, no-cache, no-store
content-encoding
gzip
content-type
text/html; charset=utf-8
date
Sun, 06 Nov 2022 00:54:16 GMT
expires
Mon, 01-Jan-1990 00:00:00 GMT
pragma
no-cache
server
openresty
strict-transport-security
max-age=31536000
x-mcas-cache-status
MISS
x-mcas-processing-time
2
x-mcas-request-id
d9a8a8ac18e7a0fb0d4972d79c88c04d
x-mcas-upstream-time
n/a
session-context-store-helper.min.js
mcasproxy.azureedge.net/proxyweb/1.22.33/js/ 		5 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://mcasproxy.azureedge.net/proxyweb/1.22.33/js/session-context-store-helper.min.js
Requested by
Host: previews.dropboxusercontent.com.mcas-gov.us
URL: https://previews.dropboxusercontent.com.mcas-gov.us/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:13::17d7:827a New York, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0 /
Resource Hash
c4b31737c5fe64db34abea57a13239f3439ba864b7b3831b4872b58e0c6d5fd3

Request headers

accept-language
en-US,en;q=0.9
Referer
https://previews.dropboxusercontent.com.mcas-gov.us/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-lease-status
unlocked
x-ms-blob-type
BlockBlob
date
Sun, 06 Nov 2022 00:54:17 GMT
last-modified
Tue, 18 Oct 2022 07:54:28 GMT
server
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
content-md5
Qh6Fmc0rxdbvbMqaLfAfTQ==
etag
0x8DAB0DDFBC6D4DC
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
677272b0-801e-0016-3a56-e40eb5000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=30091313
x-ms-version
2009-09-19
content-length
4826
session-context-restore.html
mcasproxy.azureedge.net/proxyweb/1.22.33/html/ Frame 457D 		209 B
660 B 		Document
General
Check archive.org
Download Go to
Full URL
https://mcasproxy.azureedge.net/proxyweb/1.22.33/html/session-context-restore.html
Requested by
Host: mcasproxy.azureedge.net
URL: https://mcasproxy.azureedge.net/proxyweb/1.22.33/js/session-context-store-helper.min.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:13::17d7:827a New York, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0 /
Resource Hash
a3c954e6d1422643abfe41e74b726918caa087460903ec4267bc4e5293132451

Request headers

Referer
https://previews.dropboxusercontent.com.mcas-gov.us/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

access-control-allow-origin
*
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=30032841
content-length
209
content-md5
xcQ/+x+i42xZPwR88wJc4A==
content-type
text/html
date
Sun, 06 Nov 2022 00:54:17 GMT
etag
0x8DAB0DE3BF7E6C7
last-modified
Tue, 18 Oct 2022 07:56:16 GMT
server
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
x-ms-blob-type
BlockBlob
x-ms-lease-status
unlocked
x-ms-request-id
7a658ab3-301e-0026-18ce-e3549f000000
x-ms-version
2009-09-19
session-context-restore.min.js
mcasproxy.azureedge.net/proxyweb/1.22.33/js/ Frame 457D 		38 KB
38 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://mcasproxy.azureedge.net/proxyweb/1.22.33/js/session-context-restore.min.js
Requested by
Host: mcasproxy.azureedge.net
URL: https://mcasproxy.azureedge.net/proxyweb/1.22.33/html/session-context-restore.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:13::17d7:827a New York, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0 /
Resource Hash
68839f7ff6729a90f2e1b9df9468a7bfdedfe247002ff39d56ff94bc829e7a70

Request headers

accept-language
en-US,en;q=0.9
Referer
https://mcasproxy.azureedge.net/proxyweb/1.22.33/html/session-context-restore.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-ms-lease-status
unlocked
x-ms-blob-type
BlockBlob
date
Sun, 06 Nov 2022 00:54:17 GMT
last-modified
Tue, 18 Oct 2022 07:54:29 GMT
server
Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
content-md5
KzxKIFELRJDk/nXzWazXbg==
etag
0x8DAB0DDFC3FF28E
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
e928c7d7-501e-003d-65ce-e37a0d000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=30032660
x-ms-version
2009-09-19
content-length
38693
Primary Request /
previews.dropboxusercontent.com/ 		1 KB
821 B 		Document
General
Check archive.org
Download Go to
Full URL
https://previews.dropboxusercontent.com/?
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2620:100:6019:16::a27d:410 , United States, ASN19679 (DROPBOX, US),
Reverse DNS
Software
envoy /
Resource Hash
ea7161672da91a8ecfbd8309c7a9c78858dbebaa4b9c2e9f42896be5a0e6df81
Security Headers
Name Value
Content-Security-Policy sandbox allow-forms allow-scripts
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Referer
https://previews.dropboxusercontent.com.mcas-gov.us/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

content-encoding
gzip
content-security-policy
sandbox allow-forms allow-scripts
content-type
text/html
date
Sun, 06 Nov 2022 00:54:17 GMT
server
envoy
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Accept-Encoding
x-dropbox-request-id
30d7232d8bf148acb2f0bf6d94626016
x-dropbox-response-origin
remote
x-robots-tag
noindex, nofollow, noimageindex noindex, nofollow, noimageindex
error.css
cfl.dropboxstatic.com/static/metaserver/static/css/ 		40 KB
8 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cfl.dropboxstatic.com/static/metaserver/static/css/error.css
Requested by
Host: previews.dropboxusercontent.com
URL: https://previews.dropboxusercontent.com/?
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2606:4700::6810:641d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c117fa946c4fc49b9f2d4ad50139d6fcacfa3cfc07cc26ad70a2369061bb701c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-US,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Sun, 06 Nov 2022 00:54:17 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
age
8794
x-dropbox-request-id
3bedb6bf27e6e3be99a30e16b9532e7b
x-cached
HIT
last-modified
Sat, 05 Nov 2022 01:29:29 GMT
server
cloudflare
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=86400
timing-allow-origin
https://www.dropbox.com
cf-ray
7659db67c92b2d9a-ORD
expires
Sun, 06 Nov 2022 22:27:43 GMT
look-magnifying-glass.svg
assets.dropbox.com/www/en-us/illustrations/spot/ 		10 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://assets.dropbox.com/www/en-us/illustrations/spot/look-magnifying-glass.svg
Requested by
Host: previews.dropboxusercontent.com
URL: https://previews.dropboxusercontent.com/?
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
52.222.236.76 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-52-222-236-76.fra56.r.cloudfront.net
Software
Apache /
Resource Hash
51cf6ce31001dd4d93e4c6b873f734f64522948a804f75d03104c1dd8a95d616
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
en-US,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

x-dispatcher
dispatcher2uswest1
date
Sat, 05 Nov 2022 19:42:13 GMT
content-encoding
gzip
x-content-type-options
nosniff
via
1.1 c813ed55721b9ee3209e2abab7207a00.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P4
age
18724
x-vhost
dropbox-prod.adobemsbasic.com
x-cache
Hit from cloudfront
content-disposition
attachment; filename="look-magnifying-glass.svg"
content-length
4938
last-modified
Tue, 08 Jun 2021 16:59:13 GMT
server
Apache
etag
"298b"
x-frame-options
SAMEORIGIN
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
max-age=86400, no-cache="set-cookie"
accept-ranges
bytes
x-amz-cf-id
Xt7tuBNjYCu6IvYYZp47_zxkcxFo-_jwKibieg88OImld7qcLRAwEA==
expires
Sun, 06 Nov 2022 19:42:13 GMT
OpenSans-Light-webfont.ttf
cfl.dropboxstatic.com/static/metaserver/static/fonts/opensans/ 		156 KB
78 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cfl.dropboxstatic.com/static/metaserver/static/fonts/opensans/OpenSans-Light-webfont.ttf
Requested by
Host: cfl.dropboxstatic.com
URL: https://cfl.dropboxstatic.com/static/metaserver/static/css/error.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2606:4700::6810:641d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
01e40ebaa4275bc99729d90b4ea47b977b88b8d734850eae816b9037a32c825a
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://cfl.dropboxstatic.com/static/metaserver/static/css/error.css
Origin
null
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Sun, 06 Nov 2022 00:54:17 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
age
21186
x-dropbox-request-id
68c7012acbf46a236463bc03e3fcc7ff
x-cached
HIT
last-modified
Sat, 05 Nov 2022 01:29:33 GMT
server
cloudflare
vary
Accept-Encoding
content-type
font/ttf
access-control-allow-origin
*
cache-control
max-age=86400
timing-allow-origin
https://www.dropbox.com
cf-ray
7659db686f272c17-ORD
expires
Sun, 06 Nov 2022 19:01:11 GMT
OpenSans-Regular-webfont.ttf
cfl.dropboxstatic.com/static/metaserver/static/fonts/opensans/ 		160 KB
80 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cfl.dropboxstatic.com/static/metaserver/static/fonts/opensans/OpenSans-Regular-webfont.ttf
Requested by
Host: cfl.dropboxstatic.com
URL: https://cfl.dropboxstatic.com/static/metaserver/static/css/error.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2606:4700::6810:641d , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ab6dda86c87f61e7ad1af2e733e04ca83fdcd43edbd57f88e35acc1878078223
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://cfl.dropboxstatic.com/static/metaserver/static/css/error.css
Origin
null
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.87 Safari/537.36

Response headers

date
Sun, 06 Nov 2022 00:54:17 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
age
33738
x-dropbox-request-id
330cea95a7fa0830faaeb74ff996b5cb
x-cached
HIT
last-modified
Sat, 05 Nov 2022 01:29:33 GMT
server
cloudflare
vary
Accept-Encoding
content-type
font/ttf
access-control-allow-origin
*
cache-control
max-age=86400
timing-allow-origin
https://www.dropbox.com
cf-ray
7659db686f2a2c17-ORD
expires
Sun, 06 Nov 2022 15:31:59 GMT

Verdicts & Comments Add Verdict or Comment

9 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| onbeforeinput object| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch function| getScreenDetails function| queryLocalFonts object| navigation

0 Cookies

1 Console Messages

Source Level URL
Text
network error URL: https://previews.dropboxusercontent.com/?
Message:
Failed to load resource: the server responded with a status of 404 ()

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