indexo.dev

johannes-p-osterhoff.com

.com crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 3515 ms crawled 2026-05-08

DE · 217.11.48.105 · AS34240 manitu GmbH

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

Classifying

Technology

Server
Apache

Registration

Registrar
InterNetX GmbH
Created
2006-10-02
Expires
2026-10-02 134 days left
Updated
2025-10-03
Name servers
  • dns01.manitu.net
  • dns02.manitu.net

DNS records live

NS
  • dns01.manitu.net
  • dns02.manitu.net
MX
  • 10 mail020.webhosting.manitu.net

Email authentication weak

SPF
v=spf1 mx a include:_spf.manitu.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2026-04-06 to 2026-10-22
Expires in 154 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://johannes-p-osterhoff.com/maskenjahre/

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

Linked from (1)