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skullsecurity.org

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First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2725 ms crawled 2026-05-18

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
SkullSecurity | SkullSecurity Blog
Description
Adventures In Security
Language
en
Generator
Jekyll v3.10.0
Canonical
https://www.skullsecurity.org/
Feeds

Open Graph

url
https://www.skullsecurity.org/
title
SkullSecurity
locale
en_US
site name
SkullSecurity Blog
description
Adventures In Security

Technology

CDN
Fastly
Server
GitHub.com

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2006-12-04
Expires
2026-12-04 199 days left
Updated
2025-11-24
Name servers
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com

DNS records live

NS
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=8LtZsG2Z_VHOcYvsymxNmUM0hZcI2HQyfQyzInMq1fI
  • google-site-verification=uIcBFvNXSSaAEIkg6kZ3_ZLAVpCnAmI3PIuIzwrbpv8
  • oh hai NSA

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-21 to 2026-07-20
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.skullsecurity.org/

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

Links to (7)

Linked from (2)