hnu.de

Valid Email Server
Domain Lookup › hnu.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hnu.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 01:39:41 UTC · ↺ Refresh

MX Hostnames

  • b2281.mx.srv.dfn.de
  • a2281.mx.srv.dfn.de
  • c2281.mx.srv.dfn.de

MX Priorities

  • b2281.mx.srv.dfn.de: 10
  • c2281.mx.srv.dfn.de: 10
  • a2281.mx.srv.dfn.de: 10

A / AAAA Records

  • 194.95.24.90 (no PTR)

Mail Server IPs

  • 194.95.234.192 ↩ b2281.mx.srv.dfn.de
  • 194.95.238.192 ↩ c2281.mx.srv.dfn.de
  • 194.95.232.192 ↩ a2281.mx.srv.dfn.de

SOA Record

Raw SOA dns1.lrz.de hostmaster.lrz.de 2026020499 10800 3600 1814400 86400
Primary NS (mname)
dns1.lrz.de
Admin Email (rname)
hostmaster@lrz.de
Serial
2026020499
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
86400s

Nameservers (NS)

dns3.lrz.eu
dns1.lrz.de
dns2.lrz.bayern

SPF Record

✓ Strict (-all)
v=spf1 ip4:194.95.21.128/28 ip4:193.174.97.18 ip4:31.11.29.204 ip4:178.15.47.197 ip4:178.15.47.196 ip4:195.200.70.64/26 ip4:194.94.155.233 include:_spf.kdv-fh-bayern.de include:_spf.o228.mx.srv.dfn.de exists:%{ir}.%{v}._spfx.mail.ruhr-uni-bochum.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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

7 records
  • SPFv=spf1 ip4:194.95.21.128/28 ip4:193.174.97.18 ip4:31.11.29.204 ip4:178.15.47.197 ip4:178.15.47.196 ip4:195.200.70.64/26 ip4:194.94.155.233 include:_spf.kdv-fh-bayern.de include:_spf.o228.mx.srv.dfn.de exists:%{ir}.%{v}._spfx.mail.ruhr-uni-bochum.de -all
  • ZOOM_verify_c1UXWMRNQkO7QynnF4t2aA
  • HARICA-1kZABasZzDk9fhOSRPY
  • abuseipdb-verification=ABX5pbZh
  • apple-domain-verification=JCNzvgzbwVKKxNB2
  • MS=ms16651861
  • google-site-verification=GRf1lC3O0UxFyzck3JCJPYMY_ACIwYBnjo_s0Adn804
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