jfnetwork.de

.de dns

First seen 2026-05-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 318 ms crawled 2026-05-19

DE · 217.31.82.212 · AS29140 Hostserver GmbH

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

Classifying

HTML metadata

Title: jfnetwork Internet Technologies - Internetsystem - Online Marketing - Hosting
Description: jfnetwork.de

Technology

Server: Apache

Registration

Updated

2007-12-13

Name servers

ns1.adns2.de.
ns2.adns2.de.

DNS records live

NS

ns1.adns2.de
ns2.adns2.de

MX

10 jfnetwork.de

Verified for

Atlassian

Email authentication weak

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

Certificate (current) wrong cert

R12

from 2026-05-04 to 2026-08-02

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://jfnetwork.de/

findings

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