costafeitosa.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
costafeitosa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 09:20:03 UTC · ↺ Refresh

MX Hostnames

  • costafeitosa-com-br.mail.protection.outlook.com

MX Priorities

  • costafeitosa-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 76.223.27.102 ↩ a20b9ee60132ef283.awsglobalaccelerator.com
  • 13.248.155.104 ↩ a20b9ee60132ef283.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.tavola.com.br hostmaster.tavola.com.br 2024012301 3500 1800 604800 3600
Primary NS (mname)
dns1.tavola.com.br
Admin Email (rname)
hostmaster@tavola.com.br
Serial
2024012301
Refresh
3500s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns2.tavola.com.br
dns1.tavola.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.tavola.com.br include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:spf.tavola.com.br include:spf.protection.outlook.com -all
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