stadtwerke-sw.de

Valid Email Server
Domain Lookup › stadtwerke-sw.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stadtwerke-sw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 14:25:05 UTC · ↺ Refresh

MX Hostnames

  • mail.stadtwerke-sw.de

MX Priorities

  • mail.stadtwerke-sw.de: 10

A / AAAA Records

  • 206.189.249.210 (no PTR)

Mail Server IPs

  • 93.188.31.79 ↩ mail.stadtwerke-sw.de

SOA Record

Raw SOA ns1.rox.net dns.rockenstein.de 2025120202 10800 3600 604800 3600
Primary NS (mname)
ns1.rox.net
Admin Email (rname)
dns@rockenstein.de
Serial
2025120202
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.hrb.de
ns1.rox.net
ns2.rox.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:167.172.171.205 ip4:206.189.249.210 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.cmail.ondemand.com include:amazonses.com include:cloud.greenpocket.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject; adkim=r; aspf=r; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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 ip4:167.172.171.205 ip4:206.189.249.210 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.cmail.ondemand.com include:amazonses.com include:cloud.greenpocket.de -all
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