iai.uni-bonn.de

Valid Email Server
Domain Lookup › iai.uni-bonn.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 10:57:37 UTC · ↺ Refresh

MX Hostnames

  • halls-of-waiting-mx97.iai.uni-bonn.de
  • halls-of-waiting-mx99.iai.uni-bonn.de
  • mx8.iai.uni-bonn.de
  • halls-of-waiting-mx98.iai.uni-bonn.de

MX Priorities

  • mx8.iai.uni-bonn.de: 1
  • halls-of-waiting-mx99.iai.uni-bonn.de: 99
  • halls-of-waiting-mx98.iai.uni-bonn.de: 98
  • halls-of-waiting-mx97.iai.uni-bonn.de: 97

A / AAAA Records

  • 131.220.10.21 ↩ iai.uni-bonn.de

Mail Server IPs

  • 131.220.63.193 ↩ mx8.iai.uni-bonn.de
  • 131.220.10.19 ↩ halls-of-waiting-mx99.iai.uni-bonn.de
  • 131.220.10.18 ↩ halls-of-waiting-mx98.iai.uni-bonn.de
  • 131.220.10.17 ↩ halls-of-waiting-mx97.iai.uni-bonn.de

SOA Record

Raw SOA uran.iai.uni-bonn.de ws.iai.uni-bonn.de 2026040101 10800 3600 2419200 10800
Primary NS (mname)
uran.iai.uni-bonn.de
Admin Email (rname)
ws@iai.uni-bonn.de
Serial
2026040101
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
10800s

Nameservers (NS)

dns3.uni-bonn.de
uran.iai.uni-bonn.de
schulze.informatik.uni-bonn.de
dns1.uni-bonn.de
krypton.iai.uni-bonn.de
dns2.uni-bonn.de
schultze.informatik.uni-bonn.de

SPF Record

✓ Soft Fail (~all)
v=spf1 -ip4:131.220.8.144/28 +ip4:131.220.8.0/27 +ip4:131.220.9.0/27 +ip4:131.220.10.0/27 +ip4:131.220.63.192/28 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate 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

3 records
  • Applied Computer Science, University of Bonn
  • SPFv=spf1 -ip4:131.220.8.144/28 +ip4:131.220.8.0/27 +ip4:131.220.9.0/27 +ip4:131.220.10.0/27 +ip4:131.220.63.192/28 ~all
  • v=spf2/pra -ip4:131.220.8.144/28 +ip4:131.220.8.0/27 +ip4:131.220.9.0/27 +ip4:131.220.10.0/27 +ip4:131.220.63.192/28 ~all
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