ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 6 HTTP transactions. The main IP is 2620:100:6022:16::a27d:4210, located in United States and belongs to DROPBOX, US. The main domain is ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com.
TLS certificate: Issued by DigiCert TLS RSA SHA256 2020 CA1 on September 23rd 2023. Valid for: a year.

This is the only time ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1	2620:100:6022... 2620:100:6022:16::a27d:4210	19679 (DROPBOX) (DROPBOX)
4	104.16.100.29 104.16.100.29	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	13.32.99.40 13.32.99.40	16509 (AMAZON-02) (AMAZON-02)
6	3

1 2620:100:6022:16::a27d:4210 (United States)

ASN19679 (DROPBOX, US)

ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 104.16.100.29 (None, )

ASN13335 (CLOUDFLARENET, US)

cfl.dropboxstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 13.32.99.40 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-32-99-40.fra60.r.cloudfront.net

assets.dropbox.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
4	dropboxstatic.com cfl.dropboxstatic.com — Cisco Umbrella Rank: 6817	168 KB
1	dropbox.com assets.dropbox.com — Cisco Umbrella Rank: 129431	5 KB
1	dropboxusercontent.com ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com	786 B
6	3

	Domain	Requested by
4	cfl.dropboxstatic.com	ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com cfl.dropboxstatic.com
1	assets.dropbox.com	ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
1	ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
6	3

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

Domain
www.dropbox.com

Subject Issuer	Validity	Valid
*.previews.dropboxusercontent.com DigiCert TLS RSA SHA256 2020 CA1	`2023-09-23` - `2024-10-22`	a year	crt.sh
cfl.dropboxstatic.com DigiCert TLS RSA SHA256 2020 CA1	`2024-02-06` - `2025-03-03`	a year	crt.sh
enterprise.dropbox.com DigiCert TLS RSA SHA256 2020 CA1	`2024-02-16` - `2025-03-13`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
Frame ID: 8AAA346B64E87E538EFCE89E450BE714
Requests: 6 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Dropbox - 404

Page URL History Show full URLs

http://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/ HTTP 307
https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/ Page URL

Page Statistics

6
Requests

100 %
HTTPS

33 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

174 kB
Transfer

372 kB
Size

0
Cookies

6 Outgoing links

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

URL: https://www.dropbox.com/home?_tk=fof
Title: Home

Search URL Search Domain Scan URL

URL: https://www.dropbox.com/help?_tk=fof
Title: Help center

Search URL Search Domain Scan URL

URL: https://www.dropbox.com/login?_tk=fof
Title: Sign in

Search URL Search Domain Scan URL

URL: https://www.dropbox.com/register?_tk=fof
Title: Get a free account

Search URL Search Domain Scan URL

URL: https://www.dropbox.com/plus?_tk=fof
Title: Dropbox Plus

Search URL Search Domain Scan URL

URL: https://www.dropbox.com/business?_tk=fof
Title: Dropbox Business

Search URL Search Domain Scan URL

Page URL History

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

http://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/ HTTP 307
https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions
0 data transactions

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

GET
H2

404

Primary Request / Show response
ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
Redirect Chain

http://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/

1 KB
786 B

290ms
198ms

Document
text/html

2620:100:6022:16::a27d:4210
DROPBOX

General

Check archive.org

Show headers Download Go to

Full URL

https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2620:100:6022:16::a27d:4210 , United States, ASN19679 (DROPBOX, US),

Reverse DNS

Software

envoy /

Resource Hash

7c3062f4433da04b86fb2a95156b3598d5e9e030494f9956755dcff563579a4a

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

content-encoding: gzip
content-type: text/html
date: Mon, 15 Jul 2024 18:54:33 GMT
server: envoy
strict-transport-security: max-age=31536000; includeSubDomains; preload
vary: Accept-Encoding
x-dropbox-request-id: daba6fc0c885476b994ad402afa6de11
x-dropbox-response-origin: remote
x-robots-tag: noindex, nofollow, noimageindex

Redirect headers

Location: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
Non-Authoritative-Reason: HttpsUpgrades

GET
H3 200 error.css
cfl.dropboxstatic.com/static/metaserver/static/css/ 40 KB
8 KB 130ms
62ms Stylesheet
text/css 104.16.100.29
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cfl.dropboxstatic.com/static/metaserver/static/css/error.css

Requested by

Host: ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
URL: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.16.100.29 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2905c5f19a165a3e3792b504d9a61513337f6d2fd7333e888546ed4757f8d145

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date: Mon, 15 Jul 2024 18:54:34 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: HIT
age: 5413
x-dropbox-request-id: b03b8c203cb07574cc7a4058f8cbb1d7
alt-svc: h3=":443"; ma=86400
x-cached: HIT
last-modified: Sun, 14 Jul 2024 21:27:45 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: 8a3bf6371c9a1ca3-FRA
expires: Tue, 16 Jul 2024 17:24:21 GMT

GET
H2 200 look-magnifying-glass.svg
assets.dropbox.com/www/en-us/illustrations/spot/ 10 KB
5 KB 135ms
40ms Image
image/svg+xml 13.32.99.40
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://assets.dropbox.com/www/en-us/illustrations/spot/look-magnifying-glass.svg

Requested by

Host: ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
URL: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

13.32.99.40 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-13-32-99-40.fra60.r.cloudfront.net

Software

Apache /

Resource Hash

51cf6ce31001dd4d93e4c6b873f734f64522948a804f75d03104c1dd8a95d616

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN

Request headers

Referer: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

x-dispatcher: dispatcher2uswest1-28645028
date: Mon, 15 Jul 2024 08:56:20 GMT
content-encoding: gzip
x-content-type-options: nosniff
via: 1.1 7395d1816622756cd6753f5e1281200c.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P3
age: 35899
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
accept-ranges: bytes
x-amz-cf-id: wmND8psBUlAlQLhY40S2AsBpkLxMFpQJuuEXF9Rru_IUkl-oK9xzJQ==
expires: Tue, 16 Jul 2024 08:56:20 GMT

GET
H3 200 OpenSans-Light-webfont.ttf
cfl.dropboxstatic.com/static/metaserver/static/fonts/opensans/ 156 KB
78 KB 725ms
681ms Font
font/ttf 104.16.100.29
CLOUDFLARENET

General

Check archive.org

Show headers 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

H3

Security

QUIC, , AES_128_GCM

Server

104.16.100.29 -, , 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: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date: Mon, 15 Jul 2024 18:54:34 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: MISS
x-dropbox-request-id: 709daf885eee0e823e4a619be89797cf
alt-svc: h3=":443"; ma=86400
x-cached: HIT
last-modified: Mon, 15 Jul 2024 02:40:57 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: 8a3bf637d853383e-FRA
expires: Tue, 16 Jul 2024 18:54:34 GMT

GET
H3 200 OpenSans-Regular-webfont.ttf
cfl.dropboxstatic.com/static/metaserver/static/fonts/opensans/ 160 KB
80 KB 1120ms
1077ms Font
font/ttf 104.16.100.29
CLOUDFLARENET

General

Check archive.org

Show headers 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

H3

Security

QUIC, , AES_128_GCM

Server

104.16.100.29 -, , 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: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date: Mon, 15 Jul 2024 18:54:35 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: MISS
x-dropbox-request-id: 5de56c49c3665b0c819b3f4b7b98cadc
alt-svc: h3=":443"; ma=86400
x-cached: HIT
last-modified: Mon, 15 Jul 2024 00:24:50 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: 8a3bf637d84e383e-FRA
expires: Tue, 16 Jul 2024 18:54:34 GMT

GET
H3 200 favicon.ico
cfl.dropboxstatic.com/static/images/ 4 KB
1 KB 69ms
69ms Other
image/vnd.microsoft.icon 104.16.100.29
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cfl.dropboxstatic.com/static/images/favicon.ico

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.16.100.29 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c0906d540d89dbe1f09b24f17b7f35b81350e8d381c1558b075c28ea913c450d

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: https://ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

date: Mon, 15 Jul 2024 18:54:35 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: HIT
age: 5903
x-dropbox-request-id: 7ee7285502ea6996dea83415fe68af20
alt-svc: h3=":443"; ma=86400
x-cached: HIT
last-modified: Thu, 21 Jul 2022 07:31:20 GMT
server: cloudflare
vary: Accept-Encoding
content-type: image/vnd.microsoft.icon
access-control-allow-origin: *
cache-control: max-age=86400
timing-allow-origin: https://www.dropbox.com
cf-ray: 8a3bf63ee9771ca3-FRA
expires: Tue, 16 Jul 2024 17:16:12 GMT

Verdicts & Comments Add Verdict or Comment

0 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.

0 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.

1 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
network	error	URL: https://ucb4c1f28252d0ee0870a6dd1dc6.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; includeSubDomains; preload

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.

assets.dropbox.com
cfl.dropboxstatic.com
ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com
104.16.100.29
13.32.99.40
2620:100:6022:16::a27d:4210
01e40ebaa4275bc99729d90b4ea47b977b88b8d734850eae816b9037a32c825a
2905c5f19a165a3e3792b504d9a61513337f6d2fd7333e888546ed4757f8d145
51cf6ce31001dd4d93e4c6b873f734f64522948a804f75d03104c1dd8a95d616
7c3062f4433da04b86fb2a95156b3598d5e9e030494f9956755dcff563579a4a
ab6dda86c87f61e7ad1af2e733e04ca83fdcd43edbd57f88e35acc1878078223
c0906d540d89dbe1f09b24f17b7f35b81350e8d381c1558b075c28ea913c450d

ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com Open in urlscan Pro 2620:100:6022:16::a27d:4210 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

6 Requests

100 %HTTPS

33 %IPv6

3 Domains

3 Subdomains

3 IPs

2 Countries

174 kBTransfer

372 kBSize

0 Cookies

6 Outgoing links

Page URL History

Redirected requests

6 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

0 JavaScript Global Variables

0 Cookies

1 Console Messages

Security Headers

Indicators

ucb4c1f28252d0ee0870a6dd1dc6.previews.dropboxusercontent.com Open in urlscan Pro
2620:100:6022:16::a27d:4210 Public Scan

Screenshot
Live screenshot

Full Image

6
Requests

100 %
HTTPS

33 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

174 kB
Transfer

372 kB
Size

0
Cookies

6 HTTP transactions
0 data transactions