Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
literarebooks.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:53:53 UTC · ↺ Refresh
MX Hostnames
- mail10-server.sslbr.net
MX Priorities
- mail10-server.sslbr.net: 0
A / AAAA Records
- 186.209.225.47 ↩ unix12.internetbrasil.net
Mail Server IPs
- 186.209.225.50 ↩ mail10.internetbrasil.net
SOA Record
Raw SOA
ns1.mco2.com.br hostmaster.literarebooks.com.br 1774302751 16384 2048 1048576 2560
Primary NS (mname)
ns1.mco2.com.br
Admin Email (rname)
hostmaster@literarebooks.com.br
Serial
1774302751
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.mco2.com.br
ns1.mco2.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.internetbrasil.net include:_spf.rdstation.com.br include:sendgrid.net include:spf.pressmanager.com.br include:_spf.tray.com.br ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.internetbrasil.net include:_spf.rdstation.com.br include:sendgrid.net include:spf.pressmanager.com.br include:_spf.tray.com.br ~all
- facebook-domain-verification=8c25otmeyhfl26h2tsjkd7rxytqwpi
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