Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
treuhand-niederrhein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:51:53 UTC · ↺ Refresh
MX Hostnames
- mail.treuhand-niederrhein.de
MX Priorities
- mail.treuhand-niederrhein.de: 10
A / AAAA Records
- 212.63.130.14 ↩ linux22.unixserver.org
- 2a02:708::46:0:0:0:2 ↩ linux22.unixserver.org
Mail Server IPs
- 80.156.247.26 ↩ mail.treuhand-niederrhein.de
SOA Record
Raw SOA
ns11.nameserver.de dnsmaster.ns12.nameserver.de 2026030200 28800 7200 604800 3600
Primary NS (mname)
ns11.nameserver.de
Admin Email (rname)
dnsmaster@ns12.nameserver.de
Serial
2026030200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns11.nameserver.de
ns12.nameserver.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.atikon.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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- MS=ms50171330
- SPFv=spf1 a mx include:spf.atikon.com include:spf.protection.outlook.com -all
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