Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flughafen-erfurt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:06:52 UTC · ↺ Refresh
MX Hostnames
- mail01.flughafen-erfurt-weimar.de
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mail01.flughafen-erfurt-weimar.de: 80
A / AAAA Records
- 162.55.73.166 ↩ s324.maennchen1.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 91.137.33.146 ↩ mail01.flughafen-erfurt-weimar.de
- 46.189.77.218 ↩ mail01.flughafen-erfurt-weimar.de
SOA Record
Raw SOA
ns01.versatel.de hostmaster.versatel.de 2025022400 86400 28800 3600000 86400
Primary NS (mname)
ns01.versatel.de
Admin Email (rname)
hostmaster@versatel.de
Serial
2025022400
Refresh
86400s
Retry
28800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns01.versatel.de
ns03.versatel.de
ns02.versatel.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.hornetsecurity.com -all
📊 DNS lookups: 3/10
✓ 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
1 record- SPFv=spf1 +a +mx include:spf.hornetsecurity.com -all
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