Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
sinobras.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:12:00 UTC · ↺ Refresh
MX Hostnames
- mx3.acocearense.com.br
- mx1.acocearense.com.br
- mx2.acocearense.com.br
MX Priorities
- mx3.acocearense.com.br: 15
- mx2.acocearense.com.br: 10
- mx1.acocearense.com.br: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 187.60.39.242 ↩ antispam.acocearense.com.br
- 200.166.167.14 ↩ mx2.acocearense.com.br
- 200.166.167.13 ↩ mx1.acocearense.com.br
SOA Record
Raw SOA
ns1-08.azure-dns.com hostmaster.sinobras.com.br 2013112795 43200 7200 2419200 86400
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
hostmaster@sinobras.com.br
Serial
2013112795
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:201.44.20.6 ip4:177.75.177.2 ip4:177.8.20.213 ip4:200.166.167.10 ip4:200.166.167.11 ip4:200.166.167.14 ip4:200.166.167.13 ip4:187.60.39.242 include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=5; rua=mailto:[email protected]; adkim=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only
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
5 records- docusign=b6d66f13-568f-46b0-b63a-b8f43471a9f8
- mg+CYUUUTzjUsYKleROmQRwa1gTgDLicuOQxDrrb6GjfA3rP/pQ4vYPDtrwwhftQBaDBdzGqXR5tpMSxdzd56g==
- ctuomovv98kt75vnqlima47iso
- SPFv=spf1 a ip4:201.44.20.6 ip4:177.75.177.2 ip4:177.8.20.213 ip4:200.166.167.10 ip4:200.166.167.11 ip4:200.166.167.14 ip4:200.166.167.13 ip4:187.60.39.242 include:spf.protection.outlook.com include:_spf.salesforce.com -all
- MS=ms52241682
Full email verification for sinobras.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits