mastertrack.com.br

Valid Email Server
Domain Lookup › mastertrack.com.br

Domain Overview

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

Checked via [email protected] · 2026-04-02 11:23:26 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 52.85.31.98 ↩ server-52-85-31-98.jfk50.r.cloudfront.net
  • 52.85.31.80 ↩ server-52-85-31-80.jfk50.r.cloudfront.net
  • 52.85.31.43
  • 52.85.31.107

Mail Server IPs

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

SOA Record

Raw SOA ns-1151.awsdns-15.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1151.awsdns-15.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-384.awsdns-48.com
ns-788.awsdns-34.net
ns-1151.awsdns-15.org
ns-1768.awsdns-29.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

5 records
  • google-site-verification=S7-pAqrYK-Le0UY5Wo-ppXU0TuR9Cne0Ck_mzNEWbbs
  • google-site-verification=zy9VTsBGigeGokjyBGmaMtUgSkU3PL-GrI_rfLJXt6g
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=0d_2xfDyiali0Wmn8CZPIQH8yjBSU6olr-3mprBqpQs
  • google-site-verification=JujqrkGlSrqBzK1ojIGlBhb19P71wiBv7ASGE_bO62o
Full email verification for mastertrack.com.br

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits