hdi.de

Valid Email Server
Domain Lookup › hdi.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hdi.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 13:56:44 UTC · ↺ Refresh

MX Hostnames

  • mx-cluster-op1-02.operations.hornetsecurity.com
  • op-mx-eu-fallback02.operations.hornetsecurity.com
  • mx-cluster-op1-01.operations.hornetsecurity.com
  • op-mx-eu-fallback01.operations.hornetsecurity.com

MX Priorities

  • mx-cluster-op1-01.operations.hornetsecurity.com: 10
  • op-mx-eu-fallback02.operations.hornetsecurity.com: 40
  • op-mx-eu-fallback01.operations.hornetsecurity.com: 30
  • mx-cluster-op1-02.operations.hornetsecurity.com: 20

A / AAAA Records

  • 185.158.192.51 ↩ 185-158-192-51.ip.talanx.com

Mail Server IPs

  • 94.100.136.210 ↩ hsmx01-hz2.operations.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com

SOA Record

Raw SOA ns1.eurodns.com hostmaster.eurodns.com 2026031700 43200 7200 1209600 86400
Primary NS (mname)
ns1.eurodns.com
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026031700
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.eurodns.com
ns2.eurodns.com
ns3.eurodns.com
ns4.eurodns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

12 records
  • google-site-verification=s6GSTAmR8n1X5443F18T1btFVfecFoM68vqvP1lYw8U
  • miro-verification=50104d3533d96f01fe1752f46fe8b85011dc7f81
  • SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
  • mindmanager-verification=c8ed3f94ccaf31a3519c543d5b0ccfc70af228499255aeb09f5f668b37052a55
  • _19lxn5tm40h4vm4v3w2464s2fgrlebz
  • pexip-ms-tenant-domain-verification=7a7934f4-853e-484d-9523-c9bd231ada10
  • docker-verification=14b0ff32-613b-4512-9ea8-f9b822b25a9c
  • wiz-domain-verification=9322753991df5dc6b20b7b4d54d035b5187f0561153e11a54635df92958094cc
  • 5adicKZWsbsBtmk50nLeW59gWKdEmIST/CJpLSyU08ntYmW/oCb+Mf7KRWz2f1I22PAp6AKZjLNjH29p1lJHkA==
  • MS=ms24470147
  • OSSRH-65006
  • docusign=cdd3ab1e-91b6-4ac7-bf54-7ea8baa2be15
Full email verification for hdi.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits