uni-ulm.de

Valid Email Server
Domain Lookup › uni-ulm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uni-ulm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 11:57:27 UTC · ↺ Refresh

MX Hostnames

  • b2951.mx.srv.dfn.de
  • a2951.mx.srv.dfn.de
  • c2951.mx.srv.dfn.de

MX Priorities

  • b2951.mx.srv.dfn.de: 10
  • a2951.mx.srv.dfn.de: 10
  • c2951.mx.srv.dfn.de: 10

A / AAAA Records

  • 134.60.1.202 ↩ dc2.uni-ulm.de
  • 134.60.1.177 ↩ dc1.uni-ulm.de
  • 2001:7c0:3100::202 ↩ dc2.uni-ulm.de
  • 2001:7c0:3100::177 ↩ dc1.uni-ulm.de

Mail Server IPs

  • 194.95.235.89 ↩ b2951.mx.srv.dfn.de
  • 2001:638:d:c302:acdc:1979:2:111 ↩ b2951.mx.srv.dfn.de
  • 194.95.233.89 ↩ a2951.mx.srv.dfn.de
  • 2001:638:d:c301:acdc:1979:2:111 ↩ a2951.mx.srv.dfn.de
  • 194.95.239.89 ↩ c2951.mx.srv.dfn.de
  • 2001:638:d:c303:acdc:1979:2:111 ↩ c2951.mx.srv.dfn.de

SOA Record

Raw SOA dns1.uni-ulm.de hostmaster.uni-ulm.de 2026032700 21600 3600 1209600 3600
Primary NS (mname)
dns1.uni-ulm.de
Admin Email (rname)
hostmaster@uni-ulm.de
Serial
2026032700
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns3.belwue.de
dns5.belwue.de
dns-1.dfn.de
dns1.belwue.de
dns1.uni-ulm.de

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.uni-ulm.de
📊 DNS lookups: 1/10

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; fo=0:d
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

1 record
  • SPFv=spf1 redirect=_spf.uni-ulm.de
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