rgbtec.com.br

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
rgbtec.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 11:45:19 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 187.45.240.3 ↩ hm4487.locaweb.com.br

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.locaweb.com.br hostmaster.locaweb.com.br 2022031001 3600 600 1209600 3600
Primary NS (mname)
ns1.locaweb.com.br
Admin Email (rname)
hostmaster@locaweb.com.br
Serial
2022031001
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.locaweb.com.br
ns2.locaweb.com.br
ns3.locaweb.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.locaweb.com.br include:rgbspf.rgbtec.com.br include:amazonses.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • _globalsign-domain-verification=syt_EbNLNHpIPvr4XFumzDw5GhQ_eieOidMeVrby1s
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.locaweb.com.br include:rgbspf.rgbtec.com.br include:amazonses.com -all
  • MDA1YzQ5NTkyMzg3NTk1NGFjYWM3NGE4ZGNmOWM1NjQ=
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