Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
willberger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 10:59:35 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 217.160.0.210 ↩ 217-160-0-210.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::215 ↩ 2001-08d8-100f-f000-0000-0000-0000-0215.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1050.ui-dns.com hostmaster.1und1.de 2016071513 28800 7200 604800 300
Primary NS (mname)
ns1050.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016071513
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1050.ui-dns.biz
ns1050.ui-dns.com
ns1050.ui-dns.de
ns1050.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto: [email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto: [email protected]
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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- MS=ms78194682
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