rkt-stb.de

Valid Email Server
Domain Lookup › rkt-stb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rkt-stb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 16:35:57 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 84.200.229.181 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.atikon.at support.cloudns.net 2026032401 7200 1800 1209600 3600
Primary NS (mname)
ns1.atikon.at
Admin Email (rname)
support@cloudns.net
Serial
2026032401
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.atikon.at
ns5.atikon.at
ns4.atikon.at
ns3.atikon.at
ns1.atikon.at

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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=ms48719300
  • duo_sso_verification=NFhmVaQCEP5uI33eOUnZ6eQl5Iwgzxp4zWMqVyqRgZUpwccMTmwL9lIyNR3CCYeE
  • SPFv=spf1 a mx include:spf.atikon.com include:maildomain._spf.datev.de include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
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