Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brainfit.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 12:41:19 UTC · ↺ Refresh
MX Hostnames
- mail.brainfit.com.br
MX Priorities
- mail.brainfit.com.br: 10
A / AAAA Records
- 200.66.117.221 ↩ 200-66-117-221.connectsul.com.br
Mail Server IPs
- 200.66.117.221 ↩ 200-66-117-221.connectsul.com.br
SOA Record
Raw SOA
ns2.brainfit.com.br w3\.vitor.gmail.com 2026032701 10800 3600 1209600 10800
Primary NS (mname)
ns2.brainfit.com.br
Admin Email (rname)
w3\@vitor.gmail.com
Serial
2026032701
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns1.brainfit.com.br
ns2.brainfit.com.br
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf-c.mailbaby.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:spf-c.mailbaby.net -all
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