Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usaflex.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 16:07:50 UTC · ↺ Refresh
MX Hostnames
- usaflex-com-br.mail.protection.outlook.com
MX Priorities
- usaflex-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 52.8.174.221 ↩ ec2-52-8-174-221.us-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-365.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-365.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-365.awsdns-45.com
ns-907.awsdns-49.net
ns-1493.awsdns-58.org
ns-1702.awsdns-20.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:usaspf.usaflex.com.br include:_spf.ditomail.com.br include:_spf.rdstation.com.br include:sendgrid.net include:spf.smtp-avancado.com include:spf.usaflex.com.br ip4:149.72.24.8 ip4:149.72.241.50 -all
📊 DNS lookups: 7/10
✓ 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
✓ 6 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._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- SPFv=spf1 include:spf.protection.outlook.com include:usaspf.usaflex.com.br include:_spf.ditomail.com.br include:_spf.rdstation.com.br include:sendgrid.net include:spf.smtp-avancado.com include:spf.usaflex.com.br ip4:149.72.24.8 ip4:149.72.241.50 -all
- 9svo591qgaognotu93sjqp0ve4
- MS=ms38447810
- globalsign-domain-verification=38E8DB06D15F6B914E96EB264B686ADF
- google-site-verification=XTpGCBAkp6bCveRdiviM-13JBDSBmpzcYhpBiW6I4gI
- google-site-verification=hyWAsbereHblNp2BZK2AU1uzIn5HUlMEf31_KhSRTPE
Full email verification for usaflex.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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