Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guenther-koch.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:09:32 UTC · ↺ Refresh
MX Hostnames
- iris.decide.de
MX Priorities
- iris.decide.de: 30
A / AAAA Records
- 46.4.160.236 ↩ pan.decide.de
Mail Server IPs
- 185.158.212.236 ↩ v9238301.campusvps.de
SOA Record
Raw SOA
dns1.odn.de techc.decide.de 2020031901 7200 7200 1209600 86400
Primary NS (mname)
dns1.odn.de
Admin Email (rname)
techc@decide.de
Serial
2020031901
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns2.odn.de
dns1.odn.de
dns3.odn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf.decide.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
1 record- SPFv=spf1 mx include:_spf.decide.de ~all
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