zrk-kassel.de

Valid Email Server
Domain Lookup › zrk-kassel.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zrk-kassel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 16:09:54 UTC · ↺ Refresh

MX Hostnames

  • mx5skas.kgrz-ks.de
  • mx3sgie.ekom21.de
  • mx3skas.kgrz-ks.de
  • mx4skas.kgrz-ks.de

MX Priorities

  • mx5skas.kgrz-ks.de: 10
  • mx3sgie.ekom21.de: 10
  • mx4skas.kgrz-ks.de: 10
  • mx3skas.kgrz-ks.de: 10

A / AAAA Records

  • 80.69.201.235 (no PTR)

Mail Server IPs

  • 62.156.249.82 ↩ mx5skas.kgrz-ks.de
  • 195.226.81.82 ↩ mx3sgie.ekom21.de
  • 2a02:1010:c210:2d::2b ↩ mx3sgie.ekom21.de
  • 80.69.201.83 ↩ mx4skas.kgrz-ks.de
  • 80.69.201.82 ↩ mx3skas.kgrz-ks.de

SOA Record

Raw SOA pdns.kiv-host.de hostmaster.zrk-kassel.de 2026032603 10800 3600 604800 300
Primary NS (mname)
pdns.kiv-host.de
Admin Email (rname)
hostmaster@zrk-kassel.de
Serial
2026032603
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1.kgrz-ks.de
pdns.kiv-host.de
ns4.ekom21.de
ns3.ekom21.de
ns2.ekom21.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:87.129.50.90 ip4:87.129.50.94 ip4:185.233.221.116 include:_spf.goneo.de include:_spf1.ekom21.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; ri=86400; adkim=s; aspf=s; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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
  • SPFv=spf1 mx ip4:87.129.50.90 ip4:87.129.50.94 ip4:185.233.221.116 include:_spf.goneo.de include:_spf1.ekom21.de -all
  • globalsign-domain-verification=0D1ABC7822705FCFB0E369A1C27CCBC8
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