zb.com.br

Valid Email Server
Domain Lookup › zb.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zb.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 08:38:01 UTC · ↺ Refresh

MX Hostnames

  • mail5.bluepex.com

MX Priorities

  • mail5.bluepex.com: 5

A / AAAA Records

  • 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

  • 18.228.183.120 ↩ sm1.bluepex.com
  • 18.228.177.92 ↩ sm2.bluepex.com

SOA Record

Raw SOA ns2.terraempresas.com.br sysadm.terraempresas.com.br 2009051927 21600 3600 2419200 600
Primary NS (mname)
ns2.terraempresas.com.br
Admin Email (rname)
sysadm@terraempresas.com.br
Serial
2009051927
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
600s

Nameservers (NS)

ns3.terraempresas.com.br
ns2.terraempresas.com.br

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:52.52.70.216 ip4:52.9.137.218 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate 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 ip4:52.52.70.216 ip4:52.9.137.218 ~all
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