fss-ulm.de

Valid Email Server
Domain Lookup › fss-ulm.de

Domain Overview

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

Checked via [email protected] · 2026-03-28 20:07:45 UTC · ↺ Refresh

MX Hostnames

  • mxrelay.swu.de
  • mxrelay1.swu.de

MX Priorities

  • mxrelay.swu.de: 100
  • mxrelay1.swu.de: 100

A / AAAA Records

  • 142.132.248.115 ↩ mail.ulm.schule

Mail Server IPs

  • 109.235.230.166 ↩ mxrelay.swu.de
  • 109.235.230.167 ↩ mxrelay1.swu.de

SOA Record

Raw SOA ns1.swu.de ip.swu.de 2023120101 43200 7200 1209600 86400
Primary NS (mname)
ns1.swu.de
Admin Email (rname)
ip@swu.de
Serial
2023120101
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.swu.de
ns3.swu.de
ns1.swu.de
ns4.swu.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ 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

4 records
  • MS=ms16214701
  • SPFv=spf1 mx ~all
  • apple-domain-verification=tncwBiGjMwX6wpKK
  • stadt-ulm-website-prod-418930-cd.azurewebsites.net
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