cefa.cz

Valid Email Server
Domain Lookup › cefa.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cefa.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 03:08:42 UTC · ↺ Refresh

MX Hostnames

  • ax.virusfree.cz
  • bx.virusfree.cz

MX Priorities

  • bx.virusfree.cz: 3000
  • ax.virusfree.cz: 10

A / AAAA Records

  • 81.0.252.213 ↩ web.excello.cz

Mail Server IPs

  • 89.187.156.46 ↩ bq.virusfree.cz
  • 2001:67c:15a2::b1 ↩ bx.virusfree.cz
  • 31.7.241.24 ↩ ax.virusfree.cz
  • 2001:67c:15a1::a1 ↩ ax.virusfree.cz

SOA Record

Raw SOA ns1.regzone.cz administrator.czechia.cz 2026031302 10800 1800 1814400 3600
Primary NS (mname)
ns1.regzone.cz
Admin Email (rname)
administrator@czechia.cz
Serial
2026031302
Refresh
10800s
Retry
1800s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

ns1.regzone.de
ns1.regzone.info
ns1.regzone.cz

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=spfsoft.virusfree.cz
📊 DNS lookups: 1/10

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 redirect=spfsoft.virusfree.cz
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