Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cadmus.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:25:24 UTC · ↺ Refresh
MX Hostnames
- mx.b.locaweb.com.br
- mx.a.locaweb.com.br
- mx.core.locaweb.com.br
- mx.jk.locaweb.com.br
MX Priorities
- mx.a.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
- mx.b.locaweb.com.br: 20
- mx.core.locaweb.com.br: 10
A / AAAA Records
- 18.221.113.78 ↩ ec2-18-221-113-78.us-east-2.compute.amazonaws.com
Mail Server IPs
- 186.202.4.42 ↩ mx.a.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
- 177.153.23.242 ↩ mx.b.locaweb.com.br
- 177.153.23.241 ↩ mx.core.locaweb.com.br
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 a:mx.focusnet.com.br include:_spf.locaweb.com.br -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- Sendinblue-code:4aeca6d74378dc7983e0adbf11fa6a66
- SPFv=spf1 a:mx.focusnet.com.br include:_spf.locaweb.com.br -all
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