uni.kn

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uni.kn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 17:36:29 UTC · ↺ Refresh

MX Hostnames

  • adenin2.uni-konstanz.de
  • thymin2.uni-konstanz.de

MX Priorities

  • thymin2.uni-konstanz.de: 20
  • adenin2.uni-konstanz.de: 20

A / AAAA Records

  • 134.34.247.9 ↩ neurobiology.uni-konstanz.de
  • 2001:7c0:2880:2001::2009 ↩ oev-connect.at

Mail Server IPs

  • 134.34.241.142 ↩ thymin2.uni-konstanz.de
  • 2001:7c0:2880:2003::2142 ↩ thymin2.uni-konstanz.de
  • 134.34.241.141 ↩ adenin2.uni-konstanz.de
  • 2001:7c0:2880:2003::2141 ↩ adenin2.uni-konstanz.de

SOA Record

Raw SOA ns3.uni-konstanz.de hostmaster.uni-konstanz.de 654422710 3600 900 1209600 3600
Primary NS (mname)
ns3.uni-konstanz.de
Admin Email (rname)
hostmaster@uni-konstanz.de
Serial
654422710
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.uni-konstanz.de
dns1.belwue.de
dns3.belwue.de
ns4.uni-konstanz.de

SPF Record

✗ Invalid
v=spf1 include=uni-konstanz.de -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.

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

1 record
  • SPFv=spf1 include=uni-konstanz.de -all
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