Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trieduc.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:55:10 UTC · ↺ Refresh
MX Hostnames
- trieduc-com-br.mail.protection.outlook.com
MX Priorities
- trieduc-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 185.239.210.211 (no PTR)
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-786.awsdns-34.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-786.awsdns-34.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1237.awsdns-26.org
ns-1926.awsdns-48.co.uk
ns-456.awsdns-57.com
ns-786.awsdns-34.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.plugcrm.net include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.plugcrm.net include:_spf.rdstation.com.br include:sendgrid.net -all
- MS=ms54640302
- ca3-8cb45ea1a88a43238f80d723581eb8a0
- google-site-verification=66OAjEchV9NH_J3Tz9pFbpSjzfpWzqFiImcD-Mgv8V4
- google-site-verification=vcXN3TYygMWvhctsoqJtEO2H09NV-Xh_TfB7mXq1eN8
- slack-domain-verification=Vfy6fzQ2mkWJXbZa1UqRScSZEzrOdi6xqdThs4T7
Full email verification for trieduc.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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