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app.zern.ai Open in urlscan Pro
76.76.21.164  Public Scan

Go To Rescan Add Verdict Report
URL: https://app.zern.ai/
Submission: On December 06 via api from US — Scanned from DK
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 2 countries across 2 domains to perform 10 HTTP transactions. The main IP is 76.76.21.164, located in Walnut, United States and belongs to AMAZON-02, US. The main domain is app.zern.ai.
TLS certificate: Issued by R11 on December 6th 2024. Valid for: 3 months.
This is the only time app.zern.ai was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
5 76.76.21.164 16509 (AMAZON-02)
4 2a00:1450:400... 15169 (GOOGLE)
10 3
Apex Domain
Subdomains		 Transfer
5 zern.ai
app.zern.ai
20 KB
4 gstatic.com
www.gstatic.com
2 MB
10 2
Domain Requested by
5 app.zern.ai app.zern.ai
4 www.gstatic.com app.zern.ai
www.gstatic.com
10 2

This site contains no links.

Subject Issuer Validity Valid
app.zern.ai
R11		 2024-12-06 -
2025-03-06		 3 months crt.sh
*.gstatic.com
WR2		 2024-11-04 -
2025-01-27		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://app.zern.ai/
Frame ID: B94052825B0F2EB38D885F65C5FFFE07
Requests: 10 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Zern Chat

Detected technologies

Overall confidence: 100%
Detected patterns
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Page Statistics

10
Requests

90 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

3
IPs

2
Countries

1600 kB
Transfer

18662 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

10 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
app.zern.ai/ 		3 KB
1 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://app.zern.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.164 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
874128f96031f6a5cebf2cff594e0c53881af3f837a967ff32b023f7e2dedc74
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

access-control-allow-origin
*
age
0
cache-control
public, max-age=0, must-revalidate
content-disposition
inline
content-encoding
br
content-type
text/html; charset=utf-8
date
Fri, 06 Dec 2024 13:35:28 GMT
etag
W/"8020b0d9c60feb97be66fa473a1e4bb1"
last-modified
Fri, 06 Dec 2024 13:35:28 GMT
server
Vercel
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
x-vercel-id
arn1::9g85j-1733492128527-7057b852488d
light-1x.png
app.zern.ai/splash/img/ 		5 KB
6 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://app.zern.ai/splash/img/light-1x.png
Requested by
Host: app.zern.ai
URL: https://app.zern.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.164 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
bdb5b692d9f4e7ec4ed3a3066deaa73bdb19ac32deff61b1ce1e1adfd19ad8b7
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

strict-transport-security
max-age=63072000
cache-control
public, max-age=0, must-revalidate
x-vercel-cache
HIT
etag
"db34643b266fa3a1cea7047c8fb06f75"
age
0
accept-ranges
bytes
access-control-allow-origin
*
content-length
5474
date
Fri, 06 Dec 2024 13:35:29 GMT
content-disposition
inline; filename="light-1x.png"
content-type
image/png
server
Vercel
last-modified
Fri, 06 Dec 2024 13:35:29 GMT
x-vercel-id
arn1::pbggt-1733492129187-6dbf3958ea0e
flutter_bootstrap.js
app.zern.ai/ 		8 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://app.zern.ai/flutter_bootstrap.js
Requested by
Host: app.zern.ai
URL: https://app.zern.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.164 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
f443e325790b0a726d74e2e7e3150da8673df3df2c565809c936d51b4f9a88a1
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

strict-transport-security
max-age=63072000
cache-control
public, max-age=0, must-revalidate
content-encoding
br
x-vercel-cache
HIT
etag
W/"dcaa5da83ad5cdfd31861f7995263df7"
age
0
access-control-allow-origin
*
date
Fri, 06 Dec 2024 13:35:29 GMT
content-disposition
inline; filename="flutter_bootstrap.js"
content-type
application/javascript; charset=utf-8
server
Vercel
last-modified
Fri, 06 Dec 2024 13:35:29 GMT
x-vercel-id
arn1::blmhl-1733492129187-cf7c8b4122f2
favicon.png
app.zern.ai/ 		9 KB
9 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://app.zern.ai/favicon.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.164 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
3493af03ecfb7820eb6f5d98424d91084fe666d568a5b4562e983e601052dafd
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

strict-transport-security
max-age=63072000
cache-control
public, max-age=0, must-revalidate
x-vercel-cache
HIT
etag
"775a2941439f3513dd133651c3a94a6a"
age
0
accept-ranges
bytes
access-control-allow-origin
*
content-length
9397
date
Fri, 06 Dec 2024 13:35:30 GMT
content-disposition
inline; filename="favicon.png"
content-type
image/png
server
Vercel
last-modified
Fri, 06 Dec 2024 13:35:30 GMT
x-vercel-id
arn1::bphl6-1733492129869-2bdf31a33cb9
canvaskit.wasm
www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/ 		4 MB
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/canvaskit.wasm
Requested by
Host: app.zern.ai
URL: https://app.zern.ai/flutter_bootstrap.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

content-encoding
br
age
13505
report-to
{"group":"flutter-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/flutter-team"}]}
x-content-type-options
nosniff
expires
Sat, 06 Dec 2025 09:50:28 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Fri, 06 Dec 2024 09:50:28 GMT
last-modified
Fri, 06 Dec 2024 02:23:40 GMT
content-type
application/wasm
vary
Accept-Encoding
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="flutter-team"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/flutter-team
accept-ranges
bytes
access-control-allow-origin
*
content-length
1593138
x-xss-protection
0
server
sffe
canvaskit.js
www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/ 		84 KB
24 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/canvaskit.js
Requested by
Host: app.zern.ai
URL: https://app.zern.ai/flutter_bootstrap.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
4de60b91ae9b7cf318cad7745da8fb4373f03e698d3c451c4a8f89bf3793e668
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Origin
https://app.zern.ai
Referer
https://app.zern.ai/

Response headers

content-encoding
br
age
13505
report-to
{"group":"flutter-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/flutter-team"}]}
x-content-type-options
nosniff
expires
Sat, 06 Dec 2025 09:50:28 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Fri, 06 Dec 2024 09:50:28 GMT
last-modified
Fri, 06 Dec 2024 02:23:19 GMT
content-type
text/javascript
vary
Accept-Encoding
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="flutter-team"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/flutter-team
accept-ranges
bytes
access-control-allow-origin
*
content-length
24229
x-xss-protection
0
server
sffe
main.dart.js
app.zern.ai/ 		3 MB
84 B 		Script
General
Check archive.org
Download Go to
Full URL
https://app.zern.ai/main.dart.js
Requested by
Host: app.zern.ai
URL: https://app.zern.ai/flutter_bootstrap.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.164 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
d59c4e6e73f6f32b0b29498ca2fc5c5fee62d1b1cf7c8d075af190f0467a1dbc

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

last-modified
Fri, 06 Dec 2024 13:35:30 GMT
cache-control
public, max-age=0, must-revalidate
x-vercel-cache
BYPASS
content-encoding
br
etag
W/"06637851da6fa9107b2405705291307e"
age
0
access-control-allow-origin
*
date
Fri, 06 Dec 2024 13:35:33 GMT
content-disposition
inline; filename="main.dart.js"
content-type
application/javascript; charset=utf-8
server
Vercel
x-vercel-id
arn1::hh5f4-1733492133641-cf01ce99c012
canvaskit.wasm
www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/ 		5 MB
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/canvaskit.wasm
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/canvaskit.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

content-encoding
br
age
13505
report-to
{"group":"flutter-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/flutter-team"}]}
x-content-type-options
nosniff
expires
Sat, 06 Dec 2025 09:50:28 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Fri, 06 Dec 2024 09:50:28 GMT
last-modified
Fri, 06 Dec 2024 02:23:40 GMT
content-type
application/wasm
vary
Accept-Encoding
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="flutter-team"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/flutter-team
accept-ranges
bytes
access-control-allow-origin
*
content-length
1593138
x-xss-protection
0
server
sffe
FontManifest.json
app.zern.ai/assets/ 		0
0
canvaskit.wasm
www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/ 		5 MB
2 MB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/canvaskit.wasm
Requested by
Host: www.gstatic.com
URL: https://www.gstatic.com/flutter-canvaskit/91f216d1c172f7d067c2127589d082c90616ed69/chromium/canvaskit.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80b::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
73dfd00028fe00e87615211835aa01eaa6cbf1f3c14fba7cfbe1f09bfe7ddb23
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://app.zern.ai/

Response headers

content-encoding
br
age
13507
report-to
{"group":"flutter-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/flutter-team"}]}
x-content-type-options
nosniff
expires
Sat, 06 Dec 2025 09:50:28 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Fri, 06 Dec 2024 09:50:28 GMT
last-modified
Fri, 06 Dec 2024 02:23:40 GMT
content-type
application/wasm
vary
Accept-Encoding
cache-control
public, max-age=31536000
cross-origin-opener-policy
same-origin; report-to="flutter-team"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/flutter-team
accept-ranges
bytes
access-control-allow-origin
*
content-length
1593138
x-xss-protection
0
server
sffe

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
app.zern.ai
URL
https://app.zern.ai/assets/FontManifest.json

Verdicts & Comments Add Verdict or Comment

3 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.

function| removeSplashFromWeb object| _flutter object| flutterCanvasKitLoaded

0 Cookies

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=63072000