indexo.dev

dotnetos.org

.org crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 258 ms crawled 2026-06-01

US · 104.21.56.170 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Dotnetos - courses & conferences about .NET
Description
Dotnetos mission is to help developers and companies build correct, robust and efficient .NET solutions. Expert knowledge and many years of experience in the .NET environment allowed us to work out the most effective development paths for our partners.
Language
en
Canonical
https://dotnetos.org/
Feeds

Open Graph

url
https://dotnetos.org/
title
Home - Dotnetos - courses & conferences about .NET
description
Dotnetos mission is to help developers and companies build correct, robust and efficient .NET solutions. Expert knowledge and many years of experience in the .NET environment allowed us to work out the most effective development paths for our partners.

Technology

CDN
Cloudflare

Third-party hosts loaded (1)

  • dotnetos-sp-z-o-o.ck.page×1

Social

Registration

Registrar
Cloudflare, Inc.
Created
2017-11-27
Expires
2033-11-27 2734 days left
Updated
2024-11-23
Name servers
  • dan.ns.cloudflare.com
  • jamie.ns.cloudflare.com

DNS records live

NS
  • dan.ns.cloudflare.com
  • jamie.ns.cloudflare.com
MX
  • 74 route3.mx.cloudflare.net
  • 92 route1.mx.cloudflare.net
  • 93 route2.mx.cloudflare.net
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-19 to 2026-07-18
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://dotnetos.org/

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

Links to (9)

Linked from (4)