URL: https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4...
Submission: On December 11 via manual from ES — Scanned from ES

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 4 HTTP transactions. The main IP is 2606:4700::6811:5d01, located in United States and belongs to CLOUDFLARENET, US. The main domain is ctrk.klclick.com. The Cisco Umbrella rank of the primary domain is 11563.
TLS certificate: Issued by WE1 on November 8th 2024. Valid for: 3 months.
This is the only time ctrk.klclick.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
3 2606:4700::68... 13335 (CLOUDFLAR...)
1 2 2606:4700:10:... 13335 (CLOUDFLAR...)
4 2
Apex Domain
Subdomains
Transfer
3 klclick.com
ctrk.klclick.com — Cisco Umbrella Rank: 11563
3 KB
2 tailwindcss.com
cdn.tailwindcss.com — Cisco Umbrella Rank: 29761
125 KB
4 2
Domain Requested by
3 ctrk.klclick.com ctrk.klclick.com
2 cdn.tailwindcss.com 1 redirects ctrk.klclick.com
4 2

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

Domain
www.klaviyo.com
Subject Issuer Validity Valid
ctrk.klclick.com
WE1
2024-11-08 -
2025-02-06
3 months crt.sh

This page contains 1 frames:

Primary Page: https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=
Frame ID: EC99795993CDADE58568B61E5B4425AB
Requests: 4 HTTP requests in this frame

Screenshot

Page Title

Oops Error 404 - Klaviyo

Page Statistics

4
Requests

75 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

128 kB
Transfer

402 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • https://cdn.tailwindcss.com/ HTTP 302
  • https://cdn.tailwindcss.com/3.4.16

4 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=
ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnN...
2 KB
1 KB
Document
General
Full URL
https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:5d01 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0bc3e76aa036886f965adabf5a6d0835f8293209d8b5ca1c63c0d8a7d8f5779e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

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

cf-cache-status
DYNAMIC
cf-ray
8f07c87ffb07f77f-MAD
content-encoding
gzip
content-type
text/html; charset=utf-8
date
Wed, 11 Dec 2024 19:11:54 GMT
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
x-envoy-upstream-service-time
1
3.4.16
cdn.tailwindcss.com/
Redirect Chain
  • https://cdn.tailwindcss.com/
  • https://cdn.tailwindcss.com/3.4.16
398 KB
125 KB
Script
General
Full URL
https://cdn.tailwindcss.com/3.4.16
Requested by
Host: ctrk.klclick.com
URL: https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=
Protocol
H2
Server
2606:4700:10::6816:1590 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fb798bb21731986940cf3a9950fbca386e03633e9a45497701e71f9b87d132ea
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://ctrk.klclick.com/

Response headers

server
cloudflare
strict-transport-security
max-age=63072000
cache-control
max-age=31536000
content-encoding
br
x-vercel-cache
MISS
cf-cache-status
HIT
age
423657
cf-ray
8f07c88248412fa7-MAD
date
Wed, 11 Dec 2024 19:11:55 GMT
content-type
text/javascript
last-modified
Fri, 06 Dec 2024 21:30:37 GMT
vary
Accept-Encoding
x-vercel-id
cle1::iad1::rv4dn-1733520637303-9c55b126e284

Redirect headers

strict-transport-security
max-age=63072000
cache-control
max-age=14400
location
/3.4.16
x-vercel-cache
MISS
cf-cache-status
HIT
age
718
cf-ray
8f07c881cfa02fa7-MAD
date
Wed, 11 Dec 2024 19:11:55 GMT
vary
Accept-Encoding
server
cloudflare
x-vercel-id
cle1::iad1::rspj9-1733943324248-f27a6b936600
klaviyo_logo.png
ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnN...
2 KB
2 KB
Image
General
Full URL
https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/assets/klaviyo_logo.png
Requested by
Host: ctrk.klclick.com
URL: https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:5d01 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0bc3e76aa036886f965adabf5a6d0835f8293209d8b5ca1c63c0d8a7d8f5779e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

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://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=14400
content-encoding
gzip
cf-cache-status
MISS
x-envoy-upstream-service-time
0
x-content-type-options
nosniff
cf-ray
8f07c8847a4af77f-MAD
expires
Wed, 11 Dec 2024 23:11:55 GMT
date
Wed, 11 Dec 2024 19:11:55 GMT
content-type
text/html; charset=utf-8
vary
Accept-Encoding
server
cloudflare
favicon.ico
ctrk.klclick.com/
2 KB
777 B
Other
General
Full URL
https://ctrk.klclick.com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:5d01 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0bc3e76aa036886f965adabf5a6d0835f8293209d8b5ca1c63c0d8a7d8f5779e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

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://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=14400
content-encoding
gzip
cf-cache-status
HIT
x-envoy-upstream-service-time
1
x-content-type-options
nosniff
cf-ray
8f07c885ae5bf77f-MAD
expires
Wed, 11 Dec 2024 23:11:55 GMT
date
Wed, 11 Dec 2024 19:11:55 GMT
content-type
text/html; charset=utf-8
vary
Accept-Encoding
server
cloudflare

Verdicts & Comments Add Verdict or Comment

2 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| tailwind string| /template.html

1 Cookies

Domain/Path Name / Value
.ctrk.klclick.com/ Name: __cf_bm
Value: kEJe9RZlLoqRu5Hvy_8fsQDG5NSALSJiqUF4hFBPTYQ-1733944314-1.0.1.1-62Q1aYFkCRIJ64EjS6i_urAOS54iEoVyzpfb2l9eWhzQ7BGmE2Kg13PCsBJ62rQDCE6Z0GxFneJYbQIJegk7SA

3 Console Messages

Source Level URL
Text
network error URL: https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/EyCbVV5gL0ev9CaEixVPOjQuw2i+cTRw1LB8PT0=
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://ctrk.klclick.com/l/01JE%203FN4QW9BAHE4DQY6J38MXV_1%22%20shash=%22KiTd/fO7xVO6w4E9YRi2F56j1e8pFk+zlVvarOS9%20xC9G4qlqCWEG0YvsFsTgCBxzaj7raaf3jjIw004oSFDlZpyZse4e5SSDDRZZJXDrxqo8zBFC2Km%20FRDICPxSJnNmuWwp/assets/klaviyo_logo.png
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://ctrk.klclick.com/favicon.ico
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
X-Content-Type-Options nosniff

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.

cdn.tailwindcss.com
ctrk.klclick.com
2606:4700:10::6816:1590
2606:4700::6811:5d01
0bc3e76aa036886f965adabf5a6d0835f8293209d8b5ca1c63c0d8a7d8f5779e
fb798bb21731986940cf3a9950fbca386e03633e9a45497701e71f9b87d132ea