iss-netzwerk.de

.de crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 4895 ms crawled 2026-05-08

DE · 81.169.145.72 · AS6724 Strato GmbH

Reputation 100/100

Classifying

HTML metadata

Title: Home - ISS Netzwerk
Language: de
Generator: Contao Open Source CMS

Technology

Server: Apache

Social

Registration

Updated

2018-05-03

Name servers

docks16.rzone.de.
shades19.rzone.de.

DNS records live

NS

docks16.rzone.de
shades19.rzone.de

MX

10 issnetzwerk-de0i.mail.protection.outlook.com
100 relay.rzone.de

Verified for

Apple
Google

Email authentication strong

SPF: v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1;p=reject;
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-10-19 to 2026-11-10

Expires in 173 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.iss-netzwerk.de/

present

x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

missing HSTS
missing Content Security Policy

Header values

referrer-policy: no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: interest-cohort=()
x-content-type-options: nosniff

Links to (24)

Linked from (1)

voila-duisburg.de×2