Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zimmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 19:50:18 UTC · ↺ Refresh
MX Hostnames
- mail.zimmann.de
MX Priorities
- mail.zimmann.de: 10
A / AAAA Records
- 81.3.26.167 ↩ omicron419.lcube-server.de
Mail Server IPs
- 81.3.26.167 ↩ omicron419.lcube-server.de
SOA Record
Raw SOA
ns12.lcube-ns.de zimmann\.de.whmcs.lcube.it 2026031101 10800 3600 1209600 10800
Primary NS (mname)
ns12.lcube-ns.de
Admin Email (rname)
zimmann\@de.whmcs.lcube.it
Serial
2026031101
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns12.lcube-ns.de
ns13.lcube-ns.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:omicron419.lcube-server.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:omicron419.lcube-server.de -all
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