Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
winston.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 08:30:56 UTC · ↺ Refresh
MX Hostnames
- mx.core.locaweb.com.br
- mx.a.locaweb.com.br
- mx.jk.locaweb.com.br
- mx.b.locaweb.com.br
MX Priorities
- mx.b.locaweb.com.br: 20
- mx.a.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
- mx.core.locaweb.com.br: 10
A / AAAA Records
- 54.232.92.235 ↩ ec2-54-232-92-235.sa-east-1.compute.amazonaws.com
Mail Server IPs
- 177.153.23.242 ↩ mx.b.locaweb.com.br
- 186.202.4.42 ↩ mx.a.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
- 177.153.23.241 ↩ mx.core.locaweb.com.br
SOA Record
Raw SOA
ns1.locaweb.com.br postmaster.locaweb.com.br 2026031602 3600 600 1209600 3600
Primary NS (mname)
ns1.locaweb.com.br
Admin Email (rname)
postmaster@locaweb.com.br
Serial
2026031602
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.locaweb.com.br
ns3.locaweb.com.br
ns2.locaweb.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.locaweb.com.br include:_spf.rdstation.com.br 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]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:_spf.locaweb.com.br include:_spf.rdstation.com.br include:sendgrid.net -all
- facebook-domain-verification=egjjtmifqv7h8eg76ddbz1eu1h48ze
- google-site-verification=HiL7sBsygpxm0q04kbiP2dNTEZWtY5J0Abx6Bnct4ZU
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