schleinzer.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1318 ms crawled 2026-05-18

DE · 85.13.140.177 · AS34788 Neue Medien Muennich GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
www.schleinzer.com
Description
Software, Web Services and more

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×1
  • fonts.googleapis.com×1
  • matomo.schleinzer.net×1

Social

Contact

Email

Registration

Registrar
RegistryGate GmbH
Created
2000-10-03
Expires
2026-10-03 135 days left
Updated
2025-11-23
Name servers
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com

DNS records live

NS
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com
MX
  • 10 mxext1.mailbox.org
  • 10 mxext2.mailbox.org
  • 20 mxext3.mailbox.org

Email authentication weak

SPF
v=spf1 include:mailbox.org
no all qualifier
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 63 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://schleinzer.com/en/home

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=600000

Links to (3)

Linked from (1)