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
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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