indexo.dev

jonas-von-friedrichstadt.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-12 · ok HTTP/1.1 200 3027 ms crawled 2026-05-15

DE · 85.197.96.210 · AS25220 equada network GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Jonas von Friedrichstadt

Technology

Server
nginx

Contact

Email

Registration

Updated
2016-01-07
Name servers
  • dns.dns1.de.
  • dns.dns2.de.
  • dns.dns3.de.

DNS records live

NS
  • dns.dns1.de
  • dns.dns2.de
  • dns.dns3.de
MX
  • 10 mail.jonas-von-friedrichstadt.de
  • 20 mail2.jonas-von-friedrichstadt.de

Email authentication weak

SPF
v=spf1 a mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-14 to 2026-06-12
Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jonas-von-friedrichstadt.de/

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

Linked from (2)