zerhusen.de

Valid Email Server
Domain Lookup › zerhusen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zerhusen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 10:09:00 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 85.197.96.207 ↩ bob.joomla100.de

Mail Server IPs

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

SOA Record

Raw SOA dns.dns1.de hostmaster.internetwire.de 2025030401 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2025030401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns.dns3.de
dns.dns4.de
dns.dns1.de
dns.dns2.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; aspf=s; adkim=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ 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

5 records
  • Include:spf.hornetsecurity.com
  • a03264a3c468c8d3c1e6737005d5e82bdb5f47693846229d04b23df550c74f7
  • MS=ms56721135
  • sophos-domain-verification=ce6d978ca7e8c587090a8f797dc061dc2cb0b436aa3ba9b0592b6ca988224722
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf-de.emailsignatures365.com -all
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