bootsschule-koeln.de

Valid Email Server
Domain Lookup › bootsschule-koeln.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bootsschule-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 12:54:48 UTC · ↺ Refresh

MX Hostnames

  • mail.bootsschule-koeln.de

MX Priorities

  • mail.bootsschule-koeln.de: 10

A / AAAA Records

  • 152.89.92.216 ↩ dediweb13215-01.cloud4partner.net

Mail Server IPs

  • 152.89.92.216 ↩ dediweb13215-01.cloud4partner.net

SOA Record

Raw SOA ns1.ntdns.de hostmaster.fastit.net 2026031901 10800 3600 604800 3600
Primary NS (mname)
ns1.ntdns.de
Admin Email (rname)
hostmaster@fastit.net
Serial
2026031901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.ntdns.de
ns2.ntdns.de
ns1.ntdns.de

SPF Record

✓ Strict (-all)
v=spf1 mx -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

1 record
  • SPFv=spf1 mx -all
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