Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
navistar.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 03:19:35 UTC · ↺ Refresh
MX Hostnames
- navistar-com-br.mail.protection.outlook.com
MX Priorities
- navistar-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 45.177.230.25 ↩ portal1.tupy.com.br
- 45.177.231.25 ↩ www.tupy.com.br
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.tupy.com.br root.navistar.com.br 2025120301 1800 300 1209600 43200
Primary NS (mname)
ns.tupy.com.br
Admin Email (rname)
root@navistar.com.br
Serial
2025120301
Refresh
1800s
Retry
300s
Expire
1209600s
Minimum TTL
43200s
Nameservers (NS)
ns2.tupy.com.br
ns.tupy.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; pct=100; adkim=s; aspf=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- 7pi4fkEgvUF4JYNCgtV/egNBHbRQwM9Z/wjW8ERqQCaizEhl+6bK/y1xMyd2cuYU7iz+3JBeWKiihhzWUXoqEw==
- MS=ms49786081
- SPFv=spf1 include:spf.protection.outlook.com -all
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