Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lyonengenharia.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 09:51:38 UTC · ↺ Refresh
MX Hostnames
- lyonengenharia-com-br.mail.protection.outlook.com
MX Priorities
- lyonengenharia-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 179.188.54.234 (no PTR)
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
a.sec.dns.br hostmaster.registro.br 2026073000 86400 900 604800 900
Primary NS (mname)
a.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026073000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
b.sec.dns.br
a.sec.dns.br
SPF Record
✓ Strict (-all)
v=spf1 ip4:71.6.142.84 ip4:201.48.55.0/29 ip4:10.30.0.0/16 ip4:209.126.222.245 ip4:209.126.222.248 ip4:209.126.107.125 include:spf.netsol.com.br include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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
2 records- MS=ms40429092
- SPFv=spf1 ip4:71.6.142.84 ip4:201.48.55.0/29 ip4:10.30.0.0/16 ip4:209.126.222.245 ip4:209.126.222.248 ip4:209.126.107.125 include:spf.netsol.com.br include:spf.protection.outlook.com -all
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