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janssennet.com

.com ok HTTP/1.1 200 139 ms

First seen 2026-05-18 · Last seen 2026-06-16 · crawled 2026-06-19

DE · 178.63.180.161 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers spf without fallback

sector tech subsector it services type homepage

HTML metadata

Title
Janßen-IT - Ihr IT-Dienstleister
Description
Hayo Janßen IT-Systeme & Service Ihr IT und EDV Dienstleister in Bonn, Bad Honnef, Königswinter und Linz im Rheinland
Language
de

Contact

Technology

Server
Apache

Registration

Registrar
Vautron Rechenzentrum AG
Created
2001-03-05
Expires
2027-03-05 258 days left
Updated
2026-03-06
Name servers
  • ns.heise-server.de
  • ns2.heise-server.de

DNS records live

NS
  • ns.heise-server.de
  • ns2.heise-server.de
MX
  • 10 mail07.janssennet.com

Email authentication strong

SPF
v=spf1 redirect=_spf.janssennet.com
missing all
DMARC
v=DMARC1; p=reject; adkim=r; aspf=r
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-06-14 to 2026-09-12
Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://janssennet.com/

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

Links to (3)

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