grueueuen.de

Registration

Updated

2026-02-12

Name servers

• helium.ns.hetzner.de.
• hydrogen.ns.hetzner.com.
• oxygen.ns.hetzner.com.

DNS records live

NS

• helium.ns.hetzner.de
• hydrogen.ns.hetzner.com
• oxygen.ns.hetzner.com

MX

• 10 mx01.hornetsecurity.com
• 20 mx02.hornetsecurity.com
• 30 mx03.hornetsecurity.com
• 40 mx04.hornetsecurity.com

TXT

• trustpilot-one-time-verification-id=61e9dd47-7fa3-42ea-9f66-92f05b51b961

Verified for

• Google
• Microsoft 365

Email authentication partial

SPF

v=spf1 include:_spf.hetzner.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.exclaimer.net include:spf.brevo.com -all

strict (-all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:a.n7eqax8m@reports.hornetdmarc.com

policy: none (monitoring only)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (1)

• muench-energie.de×1