gz-alu.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gz-alu.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 11:18:01 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 92.205.23.163 ↩ 163.23.205.92.host.secureserver.net

Mail Server IPs

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

SOA Record

Raw SOA ns1.ns-serve.net root.ns1.ns-serve.net 1759216674 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1759216674
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.ns-serve.net
ns2.ns-serve.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:mail.gz-alu.de ip4:5.35.251.1 ip4:185.93.118.113 include:spf.clustermail.de include:spf.hornetsecurity.com ~all
📊 DNS lookups: 4/10
~ 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

✗ 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

4 records
  • google-site-verification=36MilH4VtpoYHZNeKSythQClv5EBSY-BQ8px3Z9wUfs
  • google-site-verification=X8rJHZiYThjtxeTv0lu5MMtvww5dLB7aqhGdR9qGVdE
  • SPFv=spf1 mx a:mail.gz-alu.de ip4:5.35.251.1 ip4:185.93.118.113 include:spf.clustermail.de include:spf.hornetsecurity.com ~all
  • 202202220109036cgzrod17zp4xtobfbhmh4scqtwsmg5vz9u8ecxkbcilyz4bx9
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