os-immobilienverwaltung.de

Valid Email Server
Domain Lookup › os-immobilienverwaltung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
os-immobilienverwaltung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 22:38:22 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 89.22.115.57 ↩ vps01.essenzmedia.de

Mail Server IPs

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

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2025110923 28800 7200 604800 86400
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2025110923
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

cns1.alfahosting.info
cns3.alfahosting.info
cns2.alfahosting.info

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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 ~all
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