kff.de

Valid Email Server
Domain Lookup › kff.de

Domain Overview

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

Checked via [email protected] · 2026-03-28 11:52:45 UTC · ↺ Refresh

MX Hostnames

  • kff-de.mail.protection.outlook.com

MX Priorities

  • kff-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 144.76.146.255 ↩ exfa3.rtfnt.com

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.onix.de hostmaster.onix.de 1774377155 10800 1800 604800 300
Primary NS (mname)
ns1.onix.de
Admin Email (rname)
hostmaster@onix.de
Serial
1774377155
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.onix.de
ns1.onix.de
ns4.onix.de
ns3.onix.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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

2 records
  • MS=ms10694467
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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