Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lettel.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 20:05:40 UTC · ↺ Refresh
MX Hostnames
- lettel-com-br.mail.protection.outlook.com
MX Priorities
- lettel-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 185.230.63.107 ↩ unalocated.63.wixsite.com
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-640.awsdns-16.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-640.awsdns-16.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-118.awsdns-14.com
ns-1348.awsdns-40.org
ns-1551.awsdns-01.co.uk
ns-640.awsdns-16.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:138.36.105.203 ip4:179.181.77.189 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 a mx ip4:138.36.105.203 ip4:179.181.77.189 include:spf.protection.outlook.com -all
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