caspar-heinrich-klinik.de

Valid Email Server
Domain Lookup › caspar-heinrich-klinik.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
caspar-heinrich-klinik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 16:58:42 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • mx02.hornetsecurity.com: 10
  • mx04.hornetsecurity.com: 200
  • mx03.hornetsecurity.com: 200
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 85.13.132.157 ↩ dd42404.kasserver.com

Mail Server IPs

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

SOA Record

Raw SOA docks09.rzone.de hostmaster.strato-rz.de 2025031858 86400 7200 604800 300
Primary NS (mname)
docks09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2025031858
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks09.rzone.de
shades17.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:85.13.132.157 ip4:212.27.79.46 ip4:145.253.231.198 mx include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • ZA=Q9jWC4A9nwPjOwIhnoLVRLwsPNlRPj7Kqw1L3KCKVD0=
  • SPFv=spf1 ip4:85.13.132.157 ip4:212.27.79.46 ip4:145.253.231.198 mx include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
  • knowbe4-site-verification=318a52e4dd55ac1c7b3990a1d1320cb0
  • MS=ms35004336
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