hwk-luebeck.de

Valid Email Server
Domain Lookup › hwk-luebeck.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hwk-luebeck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 20:00:03 UTC · ↺ Refresh

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MX Hostnames

  • relay.rzone.de
  • exchange.hwk-luebeck.de

MX Priorities

  • relay.rzone.de: 100
  • exchange.hwk-luebeck.de: 10

A / AAAA Records

  • 93.93.202.75 ↩ hwk-universal.de

Mail Server IPs

  • 81.169.145.96 ↩ relay.rzone.de
  • 80.155.138.157 ↩ mail.hwk-luebeck.de

SOA Record

Raw SOA docks11.rzone.de hostmaster.strato-rz.de 2022051681 86400 7200 604800 300
Primary NS (mname)
docks11.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2022051681
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks11.rzone.de
shades03.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a:mail.hwk-luebeck.de include:csa.wwwserver.net a:xusavo.han-solo.net a:hwk-universal.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • google-site-verification=5o-AH3QZjv598Z9MWHA2BQxXPE2MTJq526hg1nXMi54
  • SPFv=spf1 a:mail.hwk-luebeck.de include:csa.wwwserver.net a:xusavo.han-solo.net a:hwk-universal.de include:spf.protection.outlook.com -all
  • g6qy167pxnzg95rzl2978jxqj8bsyb3w
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