indexo.dev

richargh.de

.de crawl

First seen 2026-04-11 · Last seen 2026-06-02 · ok HTTP/1.1 200 313 ms crawled 2026-06-03

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Richard's Blog
Language
en
Canonical
https://richargh.de/
Feeds

Open Graph

url
https://richargh.de/
site name
Knowledge Continuum

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (2)

  • cdn.mathjax.org×1
  • cdnjs.cloudflare.com×1

Social

Registration

Updated
2024-04-14
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 10 mxext1.mailbox.org
  • 10 mxext2.mailbox.org
  • 20 mxext3.mailbox.org

Email authentication weak

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

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://richargh.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556952

Links to (2)

Linked from (1)

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