Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cofermin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 04:49:38 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 185.175.196.32 (no PTR)
- 2a00:1c98:60:1051::1:58a1:cbd4 (no PTR)
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024122494 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024122494
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.org
ns.udag.de
ns.udag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mail.cofermin.de include:_smtp.udag.de include:spf.protection.outlook.com include:spf.hornetsecurity.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
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
5 records- SPFv=spf1 a:mail.cofermin.de include:_smtp.udag.de include:spf.protection.outlook.com include:spf.hornetsecurity.com ~all
- apple-domain-verification=l8doZ4KoJw0Jcj4u
- brevo-code:cc274ee00b56fac658dc1163db52f371
- google-site-verification=_OYWqSqtVQ-DS9cmJoZo3Wsbw5ucWRufMDhVZ6z0uTw
- brevo-code:793bda453074a4663c85b257ab222867
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