hs-mannheim.de

Valid Email Server
Domain Lookup › hs-mannheim.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hs-mannheim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 15:01:04 UTC · ↺ Refresh

MX Hostnames

  • a1411.mx.srv.dfn.de
  • mailgrey.rz.hs-mannheim.de
  • c1411.mx.srv.dfn.de
  • b1411.mx.srv.dfn.de

MX Priorities

  • mailgrey.rz.hs-mannheim.de: 50
  • c1411.mx.srv.dfn.de: 10
  • b1411.mx.srv.dfn.de: 10
  • a1411.mx.srv.dfn.de: 10

A / AAAA Records

  • 141.19.1.171 ↩ tom.rz.hs-mannheim.de

Mail Server IPs

  • 141.19.1.95 ↩ mailgrey.rz.hs-mannheim.de
  • 194.95.238.78 ↩ c1411.mx.srv.dfn.de
  • 194.95.234.78 ↩ b1411.mx.srv.dfn.de
  • 194.95.232.78 ↩ a1411.mx.srv.dfn.de

SOA Record

Raw SOA nice.rz.hs-mannheim.de hostmaster.th-mannheim.de 2025081885 10800 3600 2419200 900
Primary NS (mname)
nice.rz.hs-mannheim.de
Admin Email (rname)
hostmaster@th-mannheim.de
Serial
2025081885
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

dns3.belwue.de
dns1.belwue.de
nice.rz.hs-mannheim.de

SPF Record

✓ Strict (-all)
v=spf1 a:mailnode.rz.fh-mannheim.de a:mailnode.rz.hs-mannheim.de mx:hs-mannheim.de ip4:141.19.1.96 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • MS=990F0716E6789A93793CE69A883DD438C2ECF313
  • SPFv=spf1 a:mailnode.rz.fh-mannheim.de a:mailnode.rz.hs-mannheim.de mx:hs-mannheim.de ip4:141.19.1.96 -all
  • cisco-ci-domain-verification=29793728ae02924eb08612d9073d8536a3d6690d6b979632ddc41d4ce75834a5
  • adobe-idp-site-verification=10c65a64a2fe4cd122cbbb2b68b7d840b434b48748fc0356eb7f22349fbafbde
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