grupoltm.com.br

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-20 20:49:55 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 13.90.143.238 (no PTR)

Mail Server IPs

  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.grupoltm.com.br hostmaster.grupoltm.com.br 2014012578 300 300 1209600 300
Primary NS (mname)
ns1.grupoltm.com.br
Admin Email (rname)
hostmaster@grupoltm.com.br
Serial
2014012578
Refresh
300s
Retry
300s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns1.grupoltm.com.br
ns2.grupoltm.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf1.grupoltm.com.br include:spf2.grupoltm.com.br include:spf3.grupoltm.com.br include:spf4.grupoltm.com.br include:spf5.grupoltm.com.br include:spf6.grupoltm.com.br include:spf7.grupoltm.com.br -all
📊 DNS lookups: 8/10
✓ 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

5 records
  • atlassian-domain-verification=Mvpw66yDlb9WUeyx+3Ldy9YG8tdUK9QEmoMUi6fLrNr1zrMdV7L2IdJCpgrXbhrE
  • ca3-43b2859b0e7848008de83d2c65add5e9
  • SPFv=spf1 include:spf.protection.outlook.com include:spf1.grupoltm.com.br include:spf2.grupoltm.com.br include:spf3.grupoltm.com.br include:spf4.grupoltm.com.br include:spf5.grupoltm.com.br include:spf6.grupoltm.com.br include:spf7.grupoltm.com.br -all
  • grupoltmsiteprd.azurewebsites.net
  • grupoltmhml.azurewebsites.net
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