Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:52:41 UTC · ↺ Refresh
MX Hostnames
- postbote.sinma.de
MX Priorities
- postbote.sinma.de: 40
A / AAAA Records
- 83.223.83.203 ↩ aphrodite.mind.de
Mail Server IPs
- 83.223.90.205 ↩ postbote.sinma.de
- 2a01:30::13:5054:ff:feb0:a213 ↩ postbote.sinma.de
SOA Record
Raw SOA
dns1.mind.de ws.mind.de 2024010101 86400 3600 3600000 259200
Primary NS (mname)
dns1.mind.de
Admin Email (rname)
ws@mind.de
Serial
2024010101
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
259200s
Nameservers (NS)
dns1.isp-eg.de
dns2.mind.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.sinma.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=8640000
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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 include:_spf.sinma.de -all
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