indexo.dev

opensourcesecurity.io

.io crawl

First seen 2026-05-03 · Last seen 2026-05-06 · ok HTTP/1.1 200 1720 ms crawled 2026-05-10

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Open Source Security
Language
en
Generator
Hugo 0.139.4
Canonical
https://opensourcesecurity.io/
Translations
  • en
Feeds

Open Graph

url
https://opensourcesecurity.io/
title
Open Source Security
locale
en
site name
Open Source Security

Technology

CDN
Cloudflare
CMS
Hugo
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • static.cloudflareinsights.com×1

DNS records live

NS
  • christina.ns.cloudflare.com
  • konnor.ns.cloudflare.com
MX
  • 57 route1.mx.cloudflare.net
  • 69 route3.mx.cloudflare.net
  • 97 route2.mx.cloudflare.net

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 2026-04-18 to 2026-07-17
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://opensourcesecurity.io/

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 (2)