hs-kl.de

Valid Email Server
Domain Lookup › hs-kl.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hs-kl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 16:59:47 UTC · ↺ Refresh

MX Hostnames

  • mailgate-3.zdv.net
  • mailgate-1.zdv.net
  • mailgate-2.zdv.net
  • mailgate-4.zdv.net

MX Priorities

  • mailgate-3.zdv.net: 30
  • mailgate-4.zdv.net: 40
  • mailgate-1.zdv.net: 10
  • mailgate-2.zdv.net: 20

A / AAAA Records

  • 217.72.195.20 (no PTR)

Mail Server IPs

  • 134.93.178.243 ↩ mailgate-3.zdv.net
  • 2001:4c80:40:62d::25:3 ↩ mailgate-3.zdv.net
  • 134.93.178.241 ↩ mailgate-1.zdv.net
  • 2001:4c80:40:62d::25:1 ↩ mailgate-1.zdv.net
  • 134.93.178.242 ↩ mailgate-2.zdv.net
  • 2001:4c80:40:62d::25:2 ↩ mailgate-2.zdv.net

SOA Record

Raw SOA ns1.hs-kl.de hostmaster.hs-kl.de 2026033101 3600 3600 3600 900
Primary NS (mname)
ns1.hs-kl.de
Admin Email (rname)
hostmaster@hs-kl.de
Serial
2026033101
Refresh
3600s
Retry
3600s
Expire
3600s
Minimum TTL
900s

Nameservers (NS)

ns1.hs-kl.de
ns3.domaindiscount24.net
ns2.key-systems.net
ns1.domaindiscount24.net
ns2.domaindiscount24.net
ns3.key-systems.net
ns2.hs-kl.de
ns1.key-systems.net

SPF Record

✓ Strict (-all)
v=spf1 include:zdv.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • HARICA-LiTV9VqDAm4fuXC4oYK
  • SPFv=spf1 include:zdv.net -all
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