linebackers.de

Valid Email Server
Domain Lookup › linebackers.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
linebackers.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 09:37:41 UTC · ↺ Refresh

MX Hostnames

  • www504.your-server.de

MX Priorities

  • www504.your-server.de: 10

A / AAAA Records

  • 195.201.215.11 ↩ www504.your-server.de
  • 2a01:4f8:d0a:6467::2 ↩ www504.your-server.de

Mail Server IPs

  • 195.201.215.11 ↩ www504.your-server.de
  • 2a01:4f8:d0a:6467::2 ↩ www504.your-server.de

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2025110400 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2025110400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=reject;pct=50;adkim=s;aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
⚠ Policy applies to 50% of failing messages only

DKIM Selectors

✗ None detected

No 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 a mx -all
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