kkrt.de

Valid Email Server
Domain Lookup › kkrt.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 19:04:07 UTC · ↺ Refresh

MX Hostnames

  • mx-a.secumail.de
  • mx-b.secumail.de

MX Priorities

  • mx-a.secumail.de: 1
  • mx-b.secumail.de: 1

A / AAAA Records

  • 85.13.149.121 ↩ dd31628.kasserver.com

Mail Server IPs

  • 212.11.225.17 ↩ sc03.secumail.de
  • 212.11.225.133 ↩ sc01.secumail.de
  • 212.11.224.154 ↩ sc04.secumail.de
  • 212.11.224.132 ↩ sc02.secumail.de

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2602261234 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2602261234
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.kasserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a a:w01200a0.kasserver.com include:spf.secumail.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

4 records
  • airtable-verification=78633363c219ac35e66ab2f602b24eb5
  • SPFv=spf1 a a:w01200a0.kasserver.com include:spf.secumail.de ~all
  • MS=ms55281708
  • swisssign-check=J2KVbIvOdc3OXYEYZMfckG_0xQY
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