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
✗ MissingNo 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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