weakdh.org

.org crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 1163 ms crawled 2026-05-08

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Weak Diffie-Hellman and the Logjam Attack
Description
Weak Diffie-Hellman and the Logjam Attack

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (3)

  • code.jquery.com×1
  • maxcdn.bootstrapcdn.com×1
  • tls.fyi×1

Registration

Registrar
Squarespace Domains II LLC
Created
2015-05-05
Expires
2027-05-05 351 days left
Updated
2026-04-26
Name servers
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e4.googledomains.com

DNS records live

NS
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e4.googledomains.com
MX
  • 0 smtp.secureserver.net
  • 10 mailstore1.secureserver.net

Email authentication weak

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

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 66 days

HTTP security headers

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

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

Links to (11)

Linked from (6)