Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cte.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 12:35:49 UTC · ↺ Refresh
MX Hostnames
- cte-com-br.mail.protection.outlook.com
MX Priorities
- cte-com-br.mail.protection.outlook.com: 10
A / AAAA Records
- 200.219.255.156 ↩ hazel.mundoopen.com.br
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-748.awsdns-29.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-748.awsdns-29.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-280.awsdns-35.com
ns-748.awsdns-29.net
ns-1521.awsdns-62.org
ns-1640.awsdns-13.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
6 records- google-site-verification=3ghcaawWJgT2iSun9pnLVk1JtFQ71zITBAqQfSMVnc0
- google-site-verification=U-wHNGk8c8DnQL5lomm3ba7FIXdrm8QJEOXfh-brsuo
- openai-domain-verification=dv-JXZUzUv9DRQZeniJ8FRHhsLe
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net -all
- d4sign-domain-verification=d9a0166b-a6be-41ec-aa29-d0e53a574d91
- facebook-domain-verification=z8pnhzyoz0lzd4p4ur9r7x4n6r265m
Full email verification for cte.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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