stbverband-duesseldorf.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stbverband-duesseldorf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 10:59:26 UTC · ↺ Refresh

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MX Hostnames

  • line1b.virus-defence.de
  • line1a.virus-defence.de

MX Priorities

  • line1b.virus-defence.de: 30
  • line1a.virus-defence.de: 10

A / AAAA Records

  • 193.9.117.130 ↩ ac.rz-nbg.de

Mail Server IPs

  • 87.190.16.131 ↩ line1b.virus-defence.de
  • 80.82.218.16 ↩ line1a.virus-defence.de

SOA Record

Raw SOA a.ns14.net domains.auctores.de 2024061401 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domains@auctores.de
Serial
2024061401
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

c.ns14.net
b.ns14.net
a.ns14.net
d.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 a mx a:zwv04.zellwerk.net ip4:162.55.79.18 include:spfext.espectrum-hosting.de include:spfserver.auctores.de include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • SPFv=spf1 a mx a:zwv04.zellwerk.net ip4:162.55.79.18 include:spfext.espectrum-hosting.de include:spfserver.auctores.de include:spf.protection.outlook.com -all
  • logmein-verification-code=d3b0a85e-1f7f-4181-94dd-d43195b9485e
  • MS=ms32776702
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