indexo.dev

4s.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2503 ms crawled 2026-05-18

US · 204.155.149.42 · AS40824 Webzilla Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
4shared - free file sharing and storage
Description
Online file sharing and storage - 15 GB free web space. Easy registration. File upload progressor. Multiple file transfer. Fast download.
Language
en
Translations
  • ar
  • de
  • en
  • es
  • fa
  • fr
  • hi
  • id
  • it
  • ja
  • ko
  • ms
  • pl
  • pt-br
  • ru
  • th
  • tl
  • tr
  • uk
  • vi
  • zh

Open Graph

title
4shared - free file sharing and storage
site name
4shared
description
Search, download, store and share your files with 4shared anytime - robust search, instant upload, fast download, easy file sharing.

Technology

Server
566
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • static.4shared.com×30
  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • serv90.com×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns5.4s.io
  • ns6.4s.io
  • ns7.4s.io
MX
  • 0 mx.4s.io
  • 100 mail2.4s.io
TXT
  • google-site-verification=wnshsdUOq87bB3o71D2qFoozrfJpFstOhnMoBkwKvQ0
  • google-site-verification=Mw9gzWphXfWBl5T2CY-aYDOnJIleNTR-WO7zNnJs54w

Email authentication weak

SPF
v=spf1 include:_spf.4shared.com include:_spf.google.com -all
strict (-all)
DMARC
not published
DKIM
Show 4 DKIM selectors
  • default: g=*; k=rsa; p=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAN8UxB7ntQq0lCntTI1tXJc4SnnpeyTqsDQlwT6OoejVLYdPFJ6eaZtjCRGRBjD3tm8QVPhIgbkIhwL3es2A62cCAwEAAQ…
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJWwJSmUGKehFokB3Ofcq4cGWTd+zEKAh8n8oTh9W5Evsso9fUYGWmMknWUNKmtsUpMTDBpTOurcp4…
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArG3il93KU6mLLuVUc7vOFeT58uefFe9kOM+ab2adHSoAsIazKoYNitaQqlQurIFpqLoAMUKuCcd5mu…
  • dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxJBFcxF9mNTmg1A9xscSXszM1w3MWhLEE4JDuT0PeTgx6Hme7tEi76LUxNcnmU9b22YdNiO1KgWGHW…
selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1
from 2025-08-12 to 2026-09-13
Expires in 116 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.4s.io

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (9)

Linked from (1)