dhbw-karlsruhe.de

Valid Email Server
Domain Lookup › dhbw-karlsruhe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dhbw-karlsruhe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 01:39:24 UTC · ↺ Refresh

MX Hostnames

  • mx1.belwue.de
  • mx3.belwue.de
  • mx2.belwue.de
  • mx4.belwue.de

MX Priorities

  • mx3.belwue.de: 10
  • mx2.belwue.de: 10
  • mx4.belwue.de: 10
  • mx1.belwue.de: 10

A / AAAA Records

  • 185.30.157.2 ↩ www.dhbw-karlsruhe.de

Mail Server IPs

  • 129.143.76.3 ↩ mail-in03.belwue.de
  • 2001:7c0::76:0:0:0:3 ↩ mail-in03.belwue.de
  • 129.143.76.2 ↩ mail-in02.belwue.de
  • 2001:7c0::76:0:0:0:2 ↩ mail-in02.belwue.de
  • 129.143.76.4 ↩ mail-in04.belwue.de
  • 2001:7c0::76:0:0:0:4 ↩ mail-in04.belwue.de
  • 129.143.76.1 ↩ mail-in01.belwue.de
  • 2001:7c0::76:0:0:0:1 ↩ mail-in01.belwue.de

SOA Record

Raw SOA asterix.dhbw-karlsruhe.de netz.dhbw-karlsruhe.de 2025060602 3600 7200 1209600 3600
Primary NS (mname)
asterix.dhbw-karlsruhe.de
Admin Email (rname)
netz@dhbw-karlsruhe.de
Serial
2025060602
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns5.belwue.de
dns1.belwue.de
dns3.belwue.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:193.196.7.143 ip4:193.196.7.189 a:skaios.dhbw-karlsruhe.de a:bama6b.ba-mannheim.de a:bama6.ba-mannheim.de a:bama9.ba-mannheim.de a:mx.nroute.de include:spf.hornetsecurity.com include:_spf.belwue.de -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

2 records
  • MS=B3D3C6BCA52955E9A535743834BB4C62B0DA58BD
  • SPFv=spf1 mx ip4:193.196.7.143 ip4:193.196.7.189 a:skaios.dhbw-karlsruhe.de a:bama6b.ba-mannheim.de a:bama6.ba-mannheim.de a:bama9.ba-mannheim.de a:mx.nroute.de include:spf.hornetsecurity.com include:_spf.belwue.de -all
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