Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
koellerundpartner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:49:20 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 84.200.229.181 (no PTR)
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns1.koellerundpartner.de hostmaster.koellerundpartner.de 2 86400 10800 3600000 172800
Primary NS (mname)
ns1.koellerundpartner.de
Admin Email (rname)
hostmaster@koellerundpartner.de
Serial
2
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns2a.dodns.net
ns1a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 mx a a:fortimail.fuldacloud.de a:securemail.fuldacloud.de include:spf.atikon.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=0
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms58188473
- SPFv=spf1 mx a a:fortimail.fuldacloud.de a:securemail.fuldacloud.de include:spf.atikon.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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