Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mbn-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:18:18 UTC · ↺ Refresh
MX Hostnames
- webmail.mbn-gmbh.de
MX Priorities
- webmail.mbn-gmbh.de: 10
A / AAAA Records
- 85.13.138.53 ↩ dd17506.kasserver.com
Mail Server IPs
- 212.185.51.3 ↩ webmail.mbn-gmbh.de
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2603311122 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603311122
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 a:spf.protection.outlook.com ip4:212.185.51.3 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;adkim=r;aspf=r;ruf=mailto:[email protected];rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a:spf.protection.outlook.com ip4:212.185.51.3 -all
- MS=ms38199515
- google-site-verification=8sKCJN7tjgMyenRSdJAcWY0dTYVDu2rsCKnG5DMzFCc
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