mailcow.de

.de dns crawl

First seen 2026-05-02 · Last seen 2026-05-20 · ok HTTP/1.1 200 1754 ms crawled 2026-05-08

DE · 5.1.76.202 · AS34549 meerfarbig GmbH & Co. KG

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
hosted.mailcow.de
Language
de

Technology

Server
nginx

Registration

Updated
2024-04-15
Name servers
  • angus.ns.servercow.de.
  • dexter.ns.servercow.net.
  • galloway.ns.servercow.com.

DNS records live

NS
  • angus.ns.servercow.de
  • dexter.ns.servercow.net
  • galloway.ns.servercow.com
MX
  • 0 hosted.mailcow.de

Email authentication weak

SPF
v=spf1 mx a include:spf.mailcow.de -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1;k=rsa;t=s;s=email;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3YXAFOhHlIOzynX4yREQTJCKcdw9oGyKIZrWNGM2dT2FkkKM+Z5YnbeajQTXl8c19ysrEj9bK…
selectors probed

Certificate (current)

R13
from 2026-04-25 to 2026-07-24
Expires in 65 days

HTTP security headers

Header hygiene 70/100 Checked live page: https://hosted.mailcow.de

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (1)