biztalking.com.br

Valid Email Server
Domain Lookup › biztalking.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
biztalking.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 02:40:16 UTC · ↺ Refresh

MX Hostnames

  • mx.a.locaweb.com.br
  • mx.b.locaweb.com.br
  • mx.jk.locaweb.com.br

MX Priorities

  • mx.jk.locaweb.com.br: 10
  • mx.a.locaweb.com.br: 10
  • mx.b.locaweb.com.br: 10

A / AAAA Records

  • 191.252.47.37 (no PTR)

Mail Server IPs

  • 200.234.204.130 ↩ mx.jk.locaweb.com.br
  • 186.202.4.42 ↩ mx.a.locaweb.com.br
  • 177.153.23.242 ↩ mx.b.locaweb.com.br

SOA Record

Raw SOA ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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