Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nucleobase.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:06:39 UTC · ↺ Refresh
MX Hostnames
- mail.nucleobase.com.br
MX Priorities
- mail.nucleobase.com.br: 0
A / AAAA Records
- 212.85.5.53 (no PTR)
Mail Server IPs
- 108.179.253.163 ↩ br584-ip04.hostgator.com.br
SOA Record
Raw SOA
ns584.hostgator.com.br root.br584.hostgator.com.br 2026031302 86400 7200 3600000 86400
Primary NS (mname)
ns584.hostgator.com.br
Admin Email (rname)
root@br584.hostgator.com.br
Serial
2026031302
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns584.hostgator.com.br
ns585.hostgator.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:websitewelcome.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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:websitewelcome.com ~all
Full email verification for nucleobase.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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