koffer-arena.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koffer-arena.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 20:05:09 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 18.192.31.88 ↩ lb1.aws.tasko.de

Mail Server IPs

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

SOA Record

Raw SOA ns1081.ui-dns.com hostmaster.1und1.de 2015091814 28800 7200 604800 300
Primary NS (mname)
ns1081.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2015091814
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1081.ui-dns.biz
ns1081.ui-dns.com
ns1081.ui-dns.de
ns1081.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 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

3 records
  • MS=ms75757973
  • google-site-verification=QXwNatiEnDkmdsvL1dWWmJjhvyb44tY2_RSDrhu2LQ8
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
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