alpha-cottbus.de

Valid Email Server
Domain Lookup › alpha-cottbus.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
alpha-cottbus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 02:48:24 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 148.251.126.207 ↩ hwt04.de
  • 2a01:4f8:210:2201::2 ↩ hwt04.de

Mail Server IPs

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

SOA Record

Raw SOA ns1.first-ns.de dahle.hartwaretotal.de 2026011606 10800 3600 1209600 10800
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dahle@hartwaretotal.de
Serial
2026011606
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 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

2 records
  • MS=ms73586725
  • SPFv=spf1 a mx a:sterndom.de include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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