arns-steuerberatung.de

Valid Email Server
Domain Lookup › arns-steuerberatung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
arns-steuerberatung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 21:01:00 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.60.251.251 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.espectrum.de hostmaster.espectrum.de 2022103001 14400 1800 3600000 600
Primary NS (mname)
ns1.espectrum.de
Admin Email (rname)
hostmaster@espectrum.de
Serial
2022103001
Refresh
14400s
Retry
1800s
Expire
3600000s
Minimum TTL
600s

Nameservers (NS)

ns1.espectrum.de
ns2.espectrum.de
ns3.espectrum.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
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