steuben-gesamtschule.de

Valid Email Server
Domain Lookup › steuben-gesamtschule.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steuben-gesamtschule.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 02:13:07 UTC · ↺ Refresh

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MX Hostnames

  • mail0.netzhaus.ag
  • mailx.netzhaus.ag
  • dcmucplesk03.netzhaus.ag

MX Priorities

  • dcmucplesk03.netzhaus.ag: 10
  • mail0.netzhaus.ag: 0
  • mailx.netzhaus.ag: 90

A / AAAA Records

  • 80.86.1.20 ↩ dcmucplesk03.netzhaus.ag

Mail Server IPs

  • 80.86.1.20 ↩ dcmucplesk03.netzhaus.ag
  • 80.86.2.8 (no PTR)
  • 84.233.128.22 (no PTR)

SOA Record

Raw SOA dns1.netzhaus.ag hostmaster.domainbestellsystem.com 2025081504 28800 7200 604800 86400
Primary NS (mname)
dns1.netzhaus.ag
Admin Email (rname)
hostmaster@domainbestellsystem.com
Serial
2025081504
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns4.netzhaus.ag
dns2.netzhaus.ag
dns3.netzhaus.ag
dns1.netzhaus.ag

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.netzhaus.ag -all
📊 DNS lookups: 3/10
✓ 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

1 record
  • SPFv=spf1 a mx include:spf.netzhaus.ag -all
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