zeppelin-university.de

Valid Email Server
Domain Lookup › zeppelin-university.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zeppelin-university.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 14:21:00 UTC · ↺ Refresh

MX Hostnames

  • mail.zeppelin-university.de
  • d334073.b.ess.de.barracudanetworks.com
  • d334073.a.ess.de.barracudanetworks.com

MX Priorities

  • d334073.a.ess.de.barracudanetworks.com: 0
  • d334073.b.ess.de.barracudanetworks.com: 0
  • mail.zeppelin-university.de: 10

A / AAAA Records

  • 85.13.136.128 ↩ dd32410.kasserver.com

Mail Server IPs

  • 18.185.115.252 ↩ mail.ess.de.barracuda.com
  • 18.185.115.250 ↩ mail.ess.de.barracuda.com
  • 18.185.115.251 ↩ mail.ess.de.barracuda.com
  • 85.13.136.128 ↩ dd32410.kasserver.com

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2025062420 28800 7200 604800 86400
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2025062420
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

cns1.alfahosting.info
cns3.alfahosting.info
cns2.alfahosting.info

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No 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 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all
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