rz-nnc.de

.de dns

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 1362 ms crawled 2026-05-18

DE · 91.204.46.19 · AS197540 netcup GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Herzlich willkommen!
Language: de
Generator: Zeta Producer 17.0.2.0, ZP17B, 24.06.2025 10:13:44
Canonical: http://www.nnc-it.com/index.html

Open Graph

url: http://www.nnc-it.com/index.html
title: Herzlich willkommen!

Technology

Server: nginx

Third-party hosts loaded (1)

www.nnc-it.com×1

Registration

Updated

2021-04-13

Name servers

root-dns.netcup.net.
second-dns.netcup.net.
third-dns.netcup.net.

DNS records live

NS

root-dns.netcup.net
second-dns.netcup.net
third-dns.netcup.net

MX

10 mail.rz-nnc.de

Email authentication partial

SPF: v=spf1 a a:mail.fp-sign.com mx ip4:83.246.89.68/32 include:_spf_ip4.rz-nnc.de -all
strict (-all)
DMARC: v=DMARC1;p=none;rua=mailto:administrator@rz-nnc.de;ruf=mailto:administrator@rz-nnc.de;sp=none
policy: none (monitoring only) · sp=none
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-12 to 2026-08-10

Expires in 82 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://rz-nnc.de/

findings

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

Links to (3)