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polyfill.io Open in urlscan Pro
104.21.18.249  Public Scan

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URL: https://polyfill.io/v3/polyfill.min.js?features=IntersectionObserver
Submission: On June 26 via manual from IL — Scanned from IL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 1 HTTP transactions. The main IP is 104.21.18.249, located in and belongs to CLOUDFLARENET, US. The main domain is polyfill.io. The Cisco Umbrella rank of the primary domain is 1692.
TLS certificate: Issued by Sectigo RSA Domain Validation Secure ... on February 20th 2024. Valid for: a year.
This is the only time polyfill.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 104.21.18.249 13335 (CLOUDFLAR...)
1 1
Apex Domain
Subdomains		 Transfer
1 polyfill.io
polyfill.io — Cisco Umbrella Rank: 1692
647 B
1 1
Domain Requested by
1 polyfill.io
1 1

This site contains no links.

Subject Issuer Validity Valid
*.polyfill.io
Sectigo RSA Domain Validation Secure Server CA		 2024-02-20 -
2025-02-19		 a year crt.sh

This page contains 1 frames:

Primary Page: https://polyfill.io/v3/polyfill.min.js?features=IntersectionObserver
Frame ID: D045CC94CA5F08D47930E7918D77CD06
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Detected technologies

Overall confidence: 100%
Detected patterns
  • /polyfill\.min\.js

Page Statistics

1
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

1 kB
Transfer

0 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

1 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request polyfill.min.js
polyfill.io/v3/ 		104 B
647 B 		Document
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/polyfill.min.js?features=IntersectionObserver
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.21.18.249 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6c68769e8470ce89a0f2270529a5d47db00917e3ef9df946dca202098f09d0a2

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

access-control-allow-methods
GET,HEAD,OPTIONS
access-control-allow-origin
*
age
447
alt-svc
h3=":443"; ma=86400
cache-control
max-age=3600
cf-cache-status
HIT
cf-ray
899de9ebcc34be61-ZRH
content-encoding
gzip
content-type
text/javascript; charset=utf-8
date
Wed, 26 Jun 2024 14:33:40 GMT
last-modified
Wed, 26 Jun 2024 14:26:13 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=rWJTAA3HRR4Wj0%2BipCKvgwFu2XdAB5cCg3aXsP9dCz8JMz5KMt1Pql3GcA0QLsY4ajf2i6L3PgX%2FtC99aPufSVbPLEQRKGQmiNmHSYs9ebzcuwKzKFtrHrVCAlgbug%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding, User-Agent
x-cdn-server
Global

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.

undefined| event object| fence object| sharedStorage

0 Cookies

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.

polyfill.io
104.21.18.249
6c68769e8470ce89a0f2270529a5d47db00917e3ef9df946dca202098f09d0a2