komba-duisburg.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
komba-duisburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 16:58:52 UTC · ↺ Refresh

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MX Hostnames

  • mail.komba-duisburg.de

MX Priorities

  • mail.komba-duisburg.de: 100

A / AAAA Records

  • 85.215.68.106 ↩ mail.komba-duisburg.de

Mail Server IPs

  • 85.215.68.106 ↩ mail.komba-duisburg.de

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026010300 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns82.domaincontrol.com
ns81.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:85.215.68.106 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;sp=reject; pct=100; ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

DKIM Selectors

✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • MS=C9FCDD6F420980105A1B74174A063AB646FD825B
  • SPFv=spf1 mx a ip4:85.215.68.106 ~all
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