Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
samtronic.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:13:39 UTC · ↺ Refresh
MX Hostnames
- samtronic-com-br.mail.protection.outlook.com
MX Priorities
- samtronic-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 201.20.37.133 ↩ host7-133.brs.com.br
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.locaweb.com.br hostmaster.locaweb.com.br 2022031001 3600 600 1209600 3600
Primary NS (mname)
ns1.locaweb.com.br
Admin Email (rname)
hostmaster@locaweb.com.br
Serial
2022031001
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.locaweb.com.br
ns3.locaweb.com.br
ns1.locaweb.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br ip4:201.20.37.133 include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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- 49vegddhctvb6p40bnc8e9ne8d
- MS=ms19592829
- VYl0idWZGZgTXZmSVGCS2JYLH1rJw1ibAWTBpLBTmCv4vgKFLx66btTmvECU4sTHO6x1Fu7hzOxufx6HGDDbeg==
- google-site-verification=JoFb9-yb0jc7dep_fzqF5xQSh54Djm7tTjNYHciekgQ
- _tfae07e1dpzj4nl5drdvp4cga4xmcc6
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br ip4:201.20.37.133 include:sendgrid.net -all
Full email verification for samtronic.com.br
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