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portchecktool.de

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First seen 2026-05-15 · Last seen 2026-05-19 · ok HTTP/1.1 200 319 ms crawled 2026-05-19

DE · 5.35.226.38 · AS20773 Host Europe GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
PortCheck - TCP Port-Check für Windows 11

Technology

Server
Apache

Third-party hosts loaded (1)

  • www.heise.de×2

Social

Registration

Updated
2020-12-17
Name servers
  • ns05.domaincontrol.com.
  • ns06.domaincontrol.com.

DNS records live

NS
  • ns05.domaincontrol.com
  • ns06.domaincontrol.com
MX
  • 50 mx0.portchecktool.de

Email authentication weak

SPF
v=spf1 a mx include:spf.server-he.de -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Let's Encrypt Authority X3
from 2018-11-18 to 2019-02-16
Expired 2650 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://portchecktool.de/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (12)

Linked from (2)