Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bft-cz.cz
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:02:04 UTC · ↺ Refresh
MX Hostnames
- mxa-00483401.gslb.pphosted.com
- mxb-00483401.gslb.pphosted.com
MX Priorities
- mxa-00483401.gslb.pphosted.com: 10
- mxb-00483401.gslb.pphosted.com: 10
A / AAAA Records
- 81.92.94.54 ↩ cdn.perf1.com
- 152.89.172.56 ↩ cdn.perf1.com
- 81.92.95.55 ↩ cdn.perf1.com
- 2a09:35c0:102::56 ↩ cdn.perf1.com
- 2a01:c8:100::54 ↩ cdn.perf1.com
- 2a01:c8:101::55 ↩ cdn.perf1.com
Mail Server IPs
- 205.220.185.146 ↩ mx08-00483401.pphosted.com
- 143.55.144.94 ↩ mx07-00483401.pphosted.com
SOA Record
Raw SOA
nsa.perf1.fr technical.nameshield.net 2026031901 28800 7200 604800 7200
Primary NS (mname)
nsa.perf1.fr
Admin Email (rname)
technical@nameshield.net
Serial
2026031901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
nsc.perf1.com
nsa.perf1.fr
nsb.perf1.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 -all
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