schule-sh.de

Valid Email Server
Domain Lookup › schule-sh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
schule-sh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 17:57:43 UTC · ↺ Refresh

MX Hostnames

  • mx20.ondataport.de
  • mx21.ondataport.de

MX Priorities

  • mx21.ondataport.de: 10
  • mx20.ondataport.de: 10

A / AAAA Records

  • 212.227.102.27 (no PTR)

Mail Server IPs

  • 141.91.162.204 ↩ mx21.ondataport.de
  • 141.91.162.196 ↩ mx20.ondataport.de

SOA Record

Raw SOA ns.inwx.de hostmaster.inwx.de 2025050700 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2025050700
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.inwx.eu
ns.inwx.de
ns2.inwx.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:141.91.162.35 ip4:141.91.162.36 include:dataport.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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

9 records
  • QuoVadis=920fec66-bc37-400b-9404-a12b3a58d880
  • QuoVadis=b53d1936-5a67-42de-9067-6cb818219386
  • pv07dkjnrrfnm7yvwmhkbsmywgfcp3vm
  • QuoVadis=a77593e1-53f9-4019-84ba-610f421d52e0
  • xcxq8k51txnd0pmvk71x1g3lh3ns911y
  • D-TRUST=Q7TJSMYGEV874F7KO9S3DMH
  • SPFv=spf1 mx ip4:141.91.162.35 ip4:141.91.162.36 include:dataport.de -all
  • QuoVadis=4b4b8309-5fdd-4cb8-a73f-3ebcabd364c3
  • QuoVadis=6eb6af51-7442-4549-bbba-ecd06775a26b
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