cu1723.com

.com user

First seen 2026-05-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 829 ms crawled 2026-05-13

DE · 85.13.167.15 · AS34788 Neue Medien Muennich GmbH

Reputation 89/100 weak security headers dmarc monitor-only

sector tech type homepage

HTML metadata

Title: Jörg Wrase - cu1723 - Programmieren, Entwickeln, Beraten
Language: en

Technology

Server: Apache

Third-party hosts loaded (2)

cdn.jsdelivr.net×2
code.jquery.com×1

Contact

Email

info@cu1723.com

Registration

Registrar

RegistryGate GmbH

Created

2020-12-26

Expires

2026-12-26 219 days left

Updated

2025-12-25

Name servers

ns5.kasserver.com
ns6.kasserver.com

DNS records live

NS

ns5.kasserver.com
ns6.kasserver.com

MX

10 w01fe53c.kasserver.com

Email authentication partial

SPF: v=spf1 a mx include:spf.kasserver.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

E7

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

Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://cu1723.com/

findings

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