Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
autohaus-stratmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:33:21 UTC · ↺ Refresh
MX Hostnames
- mailin.deltakonzept.de
MX Priorities
- mailin.deltakonzept.de: 10
A / AAAA Records
- 188.40.156.77 ↩ webfront1.dkcdn.de
Mail Server IPs
- 188.40.156.66 ↩ mailin.deltakonzept.de
- 2a01:4f8:231:3615:ffff::3 ↩ chapai.cloud.deltakonzept.de
SOA Record
Raw SOA
ns1.deltakonzept.de domreg.deltakonzept.de 2025040102 10800 3600 604800 300
Primary NS (mname)
ns1.deltakonzept.de
Admin Email (rname)
domreg@deltakonzept.de
Serial
2025040102
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.deltakonzept.de
ns4.deltakonzept.de
ns2.deltakonzept.de
ns1.deltakonzept.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.deltakonzept.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=quarantine; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo 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 a mx include:_spf.deltakonzept.de -all
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