kasper-koeberpartner.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kasper-koeberpartner.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 21:42:58 UTC · ↺ Refresh

MX Hostnames

  • relay.rzone.de
  • kasperkoeberpartner-com01e.mail.protection.outlook.com

MX Priorities

  • kasperkoeberpartner-com01e.mail.protection.outlook.com: 10
  • relay.rzone.de: 100

A / AAAA Records

  • 81.169.145.78 ↩ w0e.rzone.de
  • 2a01:238:20a:202:1078::

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 81.169.145.96 ↩ relay.rzone.de

SOA Record

Raw SOA shades02.rzone.de hostmaster.strato-rz.de 2023061984 86400 7200 604800 300
Primary NS (mname)
shades02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023061984
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks04.rzone.de
shades02.rzone.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • google-site-verification=YUga8yzZgzZJWm3jiNGUIjVSmYnEDUq-dCNnxy8mcnU
  • brevo-code:11db5c67a33d8003178f4d65d7b1d5c2
  • MS=ms49660823
  • google-site-verification=Dw_EJy6trX8VzrmtAhwKkXK0XPy8SOkKiCJdkIaWoI8
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