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c.lytics.io Open in urlscan Pro
104.21.38.20  Public Scan

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URL: https://c.lytics.io/c/425e1a929aeafe7bc5b2d0647603e35a/ef_email?event=email_open&utm_medium=email&utm_source=sfmc&ut...
Submission: On September 27 via manual from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 2 HTTP transactions. The main IP is 104.21.38.20, located in Ascension Island and belongs to CLOUDFLARENET, US. The main domain is c.lytics.io. The Cisco Umbrella rank of the primary domain is 14076.
TLS certificate: Issued by WE1 on August 29th 2025. Valid for: 3 months.
This is the only time c.lytics.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 104.21.38.20 13335 (CLOUDFLAR...)
2 1
Apex Domain
Subdomains		 Transfer
2 lytics.io
c.lytics.io — Cisco Umbrella Rank: 14076
1 KB
2 1
Domain Requested by
2 c.lytics.io
2 1

This site contains no links.

Subject Issuer Validity Valid
lytics.io
WE1		 2025-08-29 -
2025-11-27		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://c.lytics.io/c/425e1a929aeafe7bc5b2d0647603e35a/ef_email?event=email_open&utm_medium=email&utm_source=sfmc&utm_content=ET_RT&segment=Teacher&profile_id=894641d9-3daa-4d4c-ab74-031b41493983&utm_campaign=pb&group=ETUS
Frame ID: 968BAE74E2AEC634E584532A023909CC
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

ef_email (1×1)

Page Statistics

2
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

1 kB
Transfer

0 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

2 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request ef_email
c.lytics.io/c/425e1a929aeafe7bc5b2d0647603e35a/ 		35 B
673 B 		Document
General
Check archive.org
Download Go to
Full URL
https://c.lytics.io/c/425e1a929aeafe7bc5b2d0647603e35a/ef_email?event=email_open&utm_medium=email&utm_source=sfmc&utm_content=ET_RT&segment=Teacher&profile_id=894641d9-3daa-4d4c-ab74-031b41493983&utm_campaign=pb&group=ETUS
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.38.20 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
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/140.0.0.0 Safari/537.36

Response headers

access-control-allow-headers
Origin, X-Requested-With, Content-Type, Accept, Cookie, *
access-control-allow-methods
GET, POST
access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cache-control
no-cache, no-store, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
9857fe7a59ff65a6-FRA
content-length
35
content-type
image/gif
date
Sat, 27 Sep 2025 03:42:57 GMT
expires
0
nel
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
pragma
no-cache
report-to
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=3%2FsrK%2Fc2%2BnKHtDKhxJW4f2c%2BnmcwDlyqyWWeTLP9McH0kCGmamJC3uBdI1YWUQyvSg2iz8f8LmdTt5g2FvRjy%2F%2B1KOKDn98wQX%2Fu"}]}
server
cloudflare
strict-transport-security
max-age=63072000;
via
1.1 google
x-lytics-trace
3a2ed04c7f68ac02abdf52862d039766
favicon.ico
c.lytics.io/ 		0
402 B 		Other
General
Check archive.org
Download Go to
Full URL
https://c.lytics.io/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.38.20 , Ascension Island, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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/140.0.0.0 Safari/537.36
Referer
https://c.lytics.io/c/425e1a929aeafe7bc5b2d0647603e35a/ef_email?event=email_open&utm_medium=email&utm_source=sfmc&utm_content=ET_RT&segment=Teacher&profile_id=894641d9-3daa-4d4c-ab74-031b41493983&utm_campaign=pb&group=ETUS

Response headers

strict-transport-security
max-age=63072000;
cache-control
max-age=7200
nel
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
cf-cache-status
EXPIRED
report-to
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=qP4Ce4WWgOBTe1XREImpUZ9b8zHuLUcvivY9Lra5BA0t50Dus9xERS3JNHD5PFvrNSmUf2smbVslj8MUARaTLThH1QUxWSaYnWE1"}]}
via
1.1 google
cf-ray
9857fe7b7a0465a6-FRA
alt-svc
h3=":443"; ma=86400
content-length
0
date
Sat, 27 Sep 2025 03:42:57 GMT
last-modified
Sat, 27 Sep 2025 03:42:57 GMT
vary
accept-encoding
server
cloudflare

Verdicts & Comments Add Verdict or Comment

0 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

1 Cookies

Domain/Path Name / Value
.lytics.io/ Name: seerid
Value: bf72e595bcd1930803c853a9b02e31b5

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;

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.

c.lytics.io
104.21.38.20
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855