universitaets-herzzentrum.de

Valid Email Server
Domain Lookup › universitaets-herzzentrum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
universitaets-herzzentrum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 17:43:30 UTC · ↺ Refresh

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MX Hostnames

  • b1711.mx.srv.dfn.de
  • c1711.mx.srv.dfn.de
  • a1711.mx.srv.dfn.de

MX Priorities

  • b1711.mx.srv.dfn.de: 10
  • a1711.mx.srv.dfn.de: 10
  • c1711.mx.srv.dfn.de: 10

A / AAAA Records

  • 193.196.199.37 (no PTR)

Mail Server IPs

  • 194.95.234.111 ↩ b1711.mx.srv.dfn.de
  • 194.95.232.111 ↩ a1711.mx.srv.dfn.de
  • 194.95.238.111 ↩ c1711.mx.srv.dfn.de

SOA Record

Raw SOA skl1.ukl.uni-freiburg.de hostmaster.uniklinik-freiburg.de 744469761 1200 180 1209600 3600
Primary NS (mname)
skl1.ukl.uni-freiburg.de
Admin Email (rname)
hostmaster@uniklinik-freiburg.de
Serial
744469761
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns3.belwue.de
skl1.ukl.uni-freiburg.de
dns1.belwue.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

2 records
  • HARICA-jTx9CTrsjANGzP0y1hP
  • "v=spf1 a mx ip4:193.196.199.0/24 ip4:193.196.193.0/24 ip4:132.230.2.0/24 ip4:194.95.232.209/32 ip4:194.95.234.209/32 ip4:194.95.238.209/32 ip4:193.197.128.139/32 include:spf.mailsupport.dfn.de ~all"
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