kfo-kuper.de

Valid Email Server
Domain Lookup › kfo-kuper.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kfo-kuper.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 20:14:18 UTC · ↺ Refresh

MX Hostnames

  • mx04.secure-mailgate.com
  • mx03.secure-mailgate.com

MX Priorities

  • mx03.secure-mailgate.com: 10
  • mx04.secure-mailgate.com: 20

A / AAAA Records

  • 91.203.110.242 ↩ host242.checkdomain.de

Mail Server IPs

  • 46.243.88.174 ↩ node03.secure-mailgate.com
  • 46.243.88.176 ↩ node04.secure-mailgate.com
  • 46.243.88.175 ↩ node03.secure-mailgate.com
  • 46.243.88.177 ↩ node04.secure-mailgate.com

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2026021301 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2026021301
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns.checkdomain.de
ns2.checkdomain.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:secure-mailgate.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no 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
  • google-site-verification=5AUIBk39GEAGsMvxA8MacNuHWuhB0-olJkS-bxGP_v8
  • SPFv=spf1 include:secure-mailgate.com ?all
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