Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hannover-marketing.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 07:07:48 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 89.31.143.90 (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
ns.udag.de hostmaster.united-domains.de 2024020659 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024020659
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.org
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 include:u15124442.wl193.sendgrid.net include:u15020668.wl169.sendgrid.net include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
4 records- SPFv=spf1 include:u15124442.wl193.sendgrid.net include:u15020668.wl169.sendgrid.net include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- brevo-code:7e1ff7861db32888d377e8f15ab24ba4
- MS=ms66570835
- wgfDoPjqkUZ+eVUxXhWvNh64xkd3HF3hABqHtIXc0u7nayx2rx0rPdGJboG4u++R9cVLKu9s1x3lVz7CRXC54w==
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