naturfreunde-wuerttemberg.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
naturfreunde-wuerttemberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 11:41:11 UTC · ↺ Refresh

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MX Hostnames

  • mx4.werk21system.de
  • mx3.werk21system.de

MX Priorities

  • mx3.werk21system.de: 10
  • mx4.werk21system.de: 20

A / AAAA Records

  • 149.233.9.63 ↩ s112-063.werk21system.de

Mail Server IPs

  • 91.216.245.166 ↩ mx3.werk21system.de
  • 78.46.128.86 ↩ mx4.werk21system.de

SOA Record

Raw SOA ns.werk21system.de hostmaster.werk21.de 2026010700 86400 900 2592000 3600
Primary NS (mname)
ns.werk21system.de
Admin Email (rname)
hostmaster@werk21.de
Serial
2026010700
Refresh
86400s
Retry
900s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

ns2.werk21system.de
ns3.werk21system.de
ns1.werk21system.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:spf1.werk21system.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms88286640
  • SPFv=spf1 mx a include:spf1.werk21system.de ~all
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