a1-schluesseldienst.de

.de crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 381 ms crawled 2026-06-02

US · 205.251.137.171 · AS11042 NETWORK TRANSIT HOLDINGS LLC

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

Classifying

Technology

Server
Apache

Registration

Updated
2019-12-23
Name servers
  • ns1.ns-serve.net.
  • ns2.ns-serve.net.

DNS records live

NS
  • ns1.ns-serve.net
  • ns2.ns-serve.net
MX
  • 10 mail.a1-schluesseldienst.de
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R13
from 2026-04-20 to 2026-07-19
Expires in 44 days

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://a1-schluesseldienst.de/

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

Linked from (3)