stb-schaffrath.com

Valid Email Server
Domain Lookup › stb-schaffrath.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stb-schaffrath.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 21:00:27 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx03.hornetsecurity.com: 200
  • mx04.hornetsecurity.com: 200
  • mx02.hornetsecurity.com: 20
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 85.215.6.122 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA docks05.rzone.de hostmaster.strato-rz.de 2023030304 86400 7200 604800 300
Primary NS (mname)
docks05.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023030304
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks05.rzone.de
shades11.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
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