chaostreff-osnabrueck.de

Technology

Server

nginx

Registration

Updated

2025-11-23

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.chaostreff-osnabrueck.de

Email authentication strong

SPF

v=spf1 mx ip4:188.68.54.112 ip6:2a03:4000:6:e078::2 ~all

softfail (~all)

DMARC

v=DMARC1;p=quarantine;rua=mailto:dmarc@chaostreff-osnabrueck.de;ruf=mailto:dmarc@chaostreff-osnabrueck.de

policy: quarantine

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://chaostreff-osnabrueck.de/

present

• strict-transport-security
• x-content-type-options
• referrer-policy

findings

• missing Content Security Policy
• missing frame protection
• missing Permissions Policy

Linked from (1)

• teckids.org×2