• mx1.in-berlin.de
• mx3.in-berlin.de
• mx4.in-berlin.de
• mx2.in-berlin.de

• mx3.in-berlin.de: 30
• mx4.in-berlin.de: 40
• mx1.in-berlin.de: 10
• mx2.in-berlin.de: 20

• 217.197.80.132 ↩ virtualhost.in-berlin.de
• 2001:bf0:c000:a::2:132 ↩ virtualhost.in-berlin.de

• 130.133.8.35 ↩ methan2.in-berlin.de
• 192.109.42.28 ↩ tamarau.in-berlin.de
• 193.29.188.9 ↩ bubalus.in-berlin.de
• 217.197.80.23 ↩ mindoro.in-berlin.de
• 2001:67c:1400:1010::42:28 ↩ tamarau.in-berlin.de
• 2001:67c:1403:1010::9 ↩ bubalus.in-berlin.de
• 2001:67c:1400:1010::23 ↩ mindoro.in-berlin.de

No SPF record — domain is unprotected against spoofing.

No DMARC record — emails cannot be rejected on auth failure.