walterknoll.de

Valid Email Server
Domain Lookup › walterknoll.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
walterknoll.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 00:04:15 UTC · ↺ Refresh

MX Hostnames

  • de-smtp-inbound-1.mimecast.com
  • de-smtp-inbound-2.mimecast.com

MX Priorities

  • de-smtp-inbound-1.mimecast.com: 10
  • de-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 81.92.80.55 ↩ saspresence.perf1.com
  • 81.92.80.56 ↩ saspresence.perf1.com

Mail Server IPs

  • 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
  • 194.104.110.22 ↩ de-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns1-a.nadns1.fr technical.nameshield.net 2025070916 28800 7200 604800 7200
Primary NS (mname)
ns1-a.nadns1.fr
Admin Email (rname)
technical@nameshield.net
Serial
2025070916
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns1-c.nadns1.com
ns1-a.nadns1.fr
ns1-b.nadns1.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:de._netblocks.mimecast.com include:_spf.salesforce.com ip4:212.34.64.185/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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 mx include:de._netblocks.mimecast.com include:_spf.salesforce.com ip4:212.34.64.185/32 include:spf.protection.outlook.com -all
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