sentinel-haus.de

Registration

Updated

2025-06-30

Name servers

• ns2.inwx.de.
• ns3.inwx.eu.
• ns.inwx.de.

DNS records live

NS

• ns.inwx.de
• ns2.inwx.de
• ns3.inwx.eu

MX

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

Verified for

• Google
• Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.cominclude:spf.hornetsecurity.com include:spf1.aufwind-solutions.de ~all

softfail (~all)

DMARC

v=DMARC1; p=none; fo=1

policy: none (monitoring only)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (6)

• medeco-cleantec.de×3
• sentinel-holding.eu×2
• medeco-cleantec.com×2
• medeco-cleantec.es×2
• becatur.de×1
• bwk-dachzubehoer.de×1