Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cp-net.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 17:50:01 UTC · ↺ Refresh
MX Hostnames
- mail.cp-net.de
MX Priorities
- mail.cp-net.de: 10
A / AAAA Records
- 3.126.11.111 ↩ ec2-3-126-11-111.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 193.222.56.129 ↩ mail.cp-net.de
SOA Record
Raw SOA
nsa3.schlundtech.de it\.contracts.notebooksbilliger.de 2025071017 43200 7200 1209600 600
Primary NS (mname)
nsa3.schlundtech.de
Admin Email (rname)
it\@contracts.notebooksbilliger.de
Serial
2025071017
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsa3.schlundtech.de
nsd3.schlundtech.de
nsb3.schlundtech.de
nsc3.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf1.nbb.com include:spf.protection.outlook.com include:spf.tmes.trendmicro.eu -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- sophos-domain-verification=d07800b455efbca5e4354f707a80fc86cfb0db1a2751f9730218c975924c5279
- MS=ms76604379
- trend-micro-v1-domain-verification.0e0877a9b6413a07cd600bf7aa5ba6d1=bb416283-d4d5-4e91-86f5-0070128eab8d
- apple-domain-verification=PHqBA381mNGiVcjs
- SPFv=spf1 mx include:spf1.nbb.com include:spf.protection.outlook.com include:spf.tmes.trendmicro.eu -all
Full email verification for cp-net.de
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