Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kfo-bielefeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 10:04:01 UTC · ↺ Refresh
MX Hostnames
- mx01.tarox-data.de
- mx02.tarox-data.de
MX Priorities
- mx02.tarox-data.de: 20
- mx01.tarox-data.de: 10
A / AAAA Records
- 188.64.251.53 (no PTR)
Mail Server IPs
- 193.22.255.121 ↩ mx02.tarox-data.de
- 193.22.255.120 ↩ mx01.tarox-data.de
SOA Record
Raw SOA
dns01.cows.de hostmaster.kfo-bielefeld.de 2025012100 3600 3600 1209600 86400
Primary NS (mname)
dns01.cows.de
Admin Email (rname)
hostmaster@kfo-bielefeld.de
Serial
2025012100
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns01.cows.de
dns02.cows.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:185.124.232.33 include:5pf.cows-server.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 a mx ip4:185.124.232.33 include:5pf.cows-server.de -all
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