Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
customeditora.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 08:57:21 UTC · ↺ Refresh
MX Hostnames
- mx-ha.cfr.net.br
MX Priorities
- mx-ha.cfr.net.br: 0
A / AAAA Records
- 186.209.225.51 ↩ unix19.internetbrasil.net
Mail Server IPs
- 168.0.133.10 ↩ mx-ha.skymail.net.br
SOA Record
Raw SOA
ns1.cfr1.net.br hostmaster.customeditora.com.br 1774858591 16384 2048 1048576 2560
Primary NS (mname)
ns1.cfr1.net.br
Admin Email (rname)
hostmaster@customeditora.com.br
Serial
1774858591
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.cfr1.net.br
ns1.cfr1.net.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.internetbrasil.net include:cusspf.customeditora.com.br include:spf.cfr.net.br include:spf.justmail.com.br -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- SPFv=spf1 include:spf.internetbrasil.net include:cusspf.customeditora.com.br include:spf.cfr.net.br include:spf.justmail.com.br -all
- google-site-verification=qlVnQCLZt-fgEb1ScGQ4GR0hwIDpQ9Jo3haIB5HiWHk
Full email verification for customeditora.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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