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constantineckner.com

.com crawl

First seen 2026-05-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 1996 ms crawled 2026-05-19

DE · 89.31.143.141 · AS202108 united-domains GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Constantin Eckner
Language
en-US
Generator
WordPress 5.9.13
Canonical
https://constantineckner.com/
Feeds

Technology

Server
UD
CMS
WordPress
Social widgets
  • Twitter Widget

Third-party hosts loaded (2)

  • platform.twitter.com×1
  • s.w.org×1

Social

Registration

Registrar
united-domains GmbH
Created
2013-10-28
Expires
2026-10-28 160 days left
Updated
2026-03-23
Name servers
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 10 mx00.udag.de
  • 20 mx01.udag.de

Email authentication weak

SPF
v=spf1 include:_smtp.udag.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-06 to 2026-08-04
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://constantineckner.com/

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

Links to (6)

Linked from (1)