Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
manufactura.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 14:04:08 UTC · ↺ Refresh
MX Hostnames
- mail11-server.sslbr.net
MX Priorities
- mail11-server.sslbr.net: 0
A / AAAA Records
- 186.209.225.51 ↩ unix19.internetbrasil.net
Mail Server IPs
- 186.209.225.60 ↩ mail11.internetbrasil.net
SOA Record
Raw SOA
ns1.claudiogoncalves.com.br hostmaster.manufactura.com.br 1775136841 16384 2048 1048576 2560
Primary NS (mname)
ns1.claudiogoncalves.com.br
Admin Email (rname)
hostmaster@manufactura.com.br
Serial
1775136841
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.claudiogoncalves.com.br
ns1.claudiogoncalves.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.internetbrasil.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
dkim._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
1 record- SPFv=spf1 include:spf.internetbrasil.net -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for manufactura.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits