indexo.dev

guerr.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 3783 ms crawled 2026-05-17

BG · 91.199.247.54 · AS42446 Viscomp Ltd

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

Classifying

Technology

Server
Apache

Registration

Updated
2021-08-27
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 10 mail.guerr.de
  • 50 mail.neokey.email

Email authentication weak

SPF
v=spf1 mx a include:neokey.de -all
strict (-all)
DMARC
not published
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt9uAEZ0AkhO1U5s/+J27XmmUtayZHcmLsXDlnexab/jatNvw4k+ZopNO9bwfmUWw0Dk4…
selectors probed

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-10-31 to 2026-10-03
Expires in 136 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000; includeSubDomains; preload

Linked from (1)