Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
theater-duisburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 20:18:12 UTC · ↺ Refresh
MX Hostnames
- mail.theater-duisburg.de
MX Priorities
- mail.theater-duisburg.de: 10
A / AAAA Records
- 185.158.13.215 (no PTR)
Mail Server IPs
- 194.77.82.10 ↩ plesk1.krankikom.de
SOA Record
Raw SOA
cochrane.krankikom.de hostmaster.krankikom.de 2026072402 14400 1800 1209600 3600
Primary NS (mname)
cochrane.krankikom.de
Admin Email (rname)
hostmaster@krankikom.de
Serial
2026072402
Refresh
14400s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
cochrane.krankikom.de
dns1.dpn.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mx4.eventim.de include:_spf.spiritec-server.de -all
📊 DNS lookups: 3/10
✓ 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
2 records- KRANKIKOM GmbH, Duisburg
- SPFv=spf1 mx a:mx4.eventim.de include:_spf.spiritec-server.de -all
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