thomas-kiefer.de

Valid Email Server
Domain Lookup › thomas-kiefer.de

Domain Overview

DNS: ✓ 8h ago Checker: ✓ 8h ago
thomas-kiefer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 13:05:14 UTC · ↺ Refresh

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MX Hostnames

  • mx02.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20
  • mx03.hornetsecurity.com: 30

A / AAAA Records

  • 85.13.154.91 ↩ dd37738.kasserver.com

Mail Server IPs

  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2606162000 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2606162000
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.kasserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a include:spf.hornetsecurity.com include:spf.crsend.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=reject;pct=100;ri=86400;aspf=r;adkim=r;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

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

4 records
  • google-site-verification=IOisb5zqzYYVW3N9lyeKzTBHCH6PkOG6r9_mhwxyM2s
  • google-site-verification=gV5EIXcPXoHVdsaE1Tv9pYnl60vt3ZIynIHS9F5Zkcw
  • SPFv=spf1 a include:spf.hornetsecurity.com include:spf.crsend.com ~all
  • seobility=6dd283c275f2f9c9f33febb1502c7c8d
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