kfmschulen.de

Valid Email Server
Domain Lookup › kfmschulen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kfmschulen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:46:34 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • kfmschulen-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 89.63.10.172 ↩ rf-hosting.de

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2603181313 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603181313
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.kasserver.com
a-dns-service.de
ns3.kas-dns-server.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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

5 records
  • google-site-verification=HSmUOv6zWmTfScC3be6Ecl8bOZqb2WrLfiuAquiQ6GI
  • MS=D447122DA20450CE693A73D90339976AD8CA5CF5
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=ObKIg9BWeFn8ZJYxhjt5r6MZg9bNIMZ6iAyGN22XjSE
  • apple-domain-verification=SwmWe3LvCBMHLaS8
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