rai.com.br

Valid Email Server
Domain Lookup › rai.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-30 09:00:06 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 179.191.106.210 ↩ mvx-179-191-106-210.mundivox.com

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.skymail.net.br hostmaster.rai.com.br 2026022601 7200 900 1209600 86400
Primary NS (mname)
ns1.skymail.net.br
Admin Email (rname)
hostmaster@rai.com.br
Serial
2026022601
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.mandic.com.br
ns3.mandic.com.br
ns1.mandic.com.br

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.claramail.com.br include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ 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

3 records
  • MS=ms64108855
  • SPFv=spf1 include:spf.claramail.com.br include:spf.protection.outlook.com ~all
  • k2tne59ns9m4ra44krgclve6gc
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for rai.com.br

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits