indexo.dev

os3.it

.it crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1734 ms crawled 2026-05-30

IT · 86.107.37.16 · AS52030 Server Plan S.r.l.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
OS3 srl - Websites at the speed of EDGE
Description
OS3 srl offers ultra-fast, cutting-edge web solutions powered by edge computing technology. We specialize in performance optimization, modern web design, and secure, scalable infrastructure.
Language
en

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (1)

  • static.cloudflareinsights.com×1

Contact

Phone

DNS records live

NS
  • ns1.dnshigh.com
  • ns2.dnshigh.com
MX
  • 0 mail.os3.it

Email authentication weak

SPF
v=spf1 ip4:86.107.37.16 ip4:86.107.32.16 ip4:86.107.32.19 +a +mx +ip4:185.81.2.116/24 include:spfa.mailendo.com ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyo1TG2Q1JBI12bHmdYCej1Med1w84TyolIVJkcX3o7xHYDnihfex3+xotLYdpNIWKgBeg6Q8+qL8aV…
selectors probed

Certificate (current)

R13
from 2026-03-30 to 2026-06-28
Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.os3.it/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Linked from (1)