buchsys.de

Technology

Server

nginx

Registration

Updated

2026-05-07

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 mailserver.buchsys.de

Email authentication strong

SPF

v=spf1 mx ip6:2a01:4f8:231:3e47::10 -all

strict (-all)

DMARC

v=DMARC1;p=reject;ruf=mailto:dmarc-reports@buchsys.de;

policy: reject (enforced)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://buchsys.de/

present

• strict-transport-security

findings

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

Linked from (1)

• scdhfk-sportfamilie.de×2