avr-alsterkontor.de

Valid Email Server
Domain Lookup › avr-alsterkontor.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
avr-alsterkontor.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 04:46:22 UTC · ↺ Refresh

MX Hostnames

  • mail.avr-alsterkontor.de
  • w0139e40.kasserver.com

MX Priorities

  • mail.avr-alsterkontor.de: 10
  • w0139e40.kasserver.com: 1

A / AAAA Records

  • 85.13.163.161 ↩ dd13034.kasserver.com

Mail Server IPs

  • 85.13.163.161 ↩ dd13034.kasserver.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2602181105 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2602181105
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns3.kas-dns-server.de
ns5.kasserver.com
a-dns-service.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:84.46.88.131/32 ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no 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 mx a ip4:84.46.88.131/32 ?all
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