Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drk-luebeck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:29:31 UTC · ↺ Refresh
MX Hostnames
- mx1.drk-luebeck.de
MX Priorities
- mx1.drk-luebeck.de: 10
A / AAAA Records
- 80.82.221.203 ↩ cms05.dml.dt-internet.de
Mail Server IPs
- 80.156.240.34 ↩ mx0.drk-koobs.de
SOA Record
Raw SOA
dns01.dt-internet.de dnsadmin.dt-internet.de 3751749247 10800 3600 604800 622
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3751749247
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
622s
Nameservers (NS)
dns05.d-t-internet.de
dns01.dt-internet.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mx0.drk-koobs.de include:ihr-webspace.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- apple-domain-verification=YgKX8Usc12qAJ6i9
- MS=ms21564345
- SPFv=spf1 a mx a:mx0.drk-koobs.de include:ihr-webspace.de -all
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