um3o.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-15 · ok HTTP/1.1 200 1553 ms crawled 2026-05-12

DE · 93.189.156.216 · AS12843 TelemaxX Telekommunikation GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server: Microsoft-IIS

Registration

Updated

2010-10-15

Name servers

docks01.rzone.de.
shades20.rzone.de.

DNS records live

NS

docks01.rzone.de
shades20.rzone.de

MX

10 mail.um3o.de

TXT

v=DMARC1; p=none;

Email authentication weak

SPF: v=spf1 mx ip4:93.189.156.222 -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA

from 2025-05-23 to 2026-06-24

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://um3o.de/

findings

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

Linked from (3)