Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maisempresas.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 09:18:07 UTC · ↺ Refresh
MX Hostnames
- maisempresas.net
MX Priorities
- maisempresas.net: 0
A / AAAA Records
- 177.84.128.99 ↩ lx0399.r4.net.br
Mail Server IPs
- 177.84.128.99 ↩ lx0399.r4.net.br
SOA Record
Raw SOA
dnscp1.r4.net.br deseg.r4.com.br 2026033002 3600 1800 1209600 86400
Primary NS (mname)
dnscp1.r4.net.br
Admin Email (rname)
deseg@r4.com.br
Serial
2026033002
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dnscp1.r4.net.br
dnscp2.r4.net.br
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:177.84.128.98 +ip4:177.84.128.99 +ip4:99.198.116.162 +ip4:198.143.138.4 +ip4:198.143.138.2 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
default._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +ip4:177.84.128.98 +ip4:177.84.128.99 +ip4:99.198.116.162 +ip4:198.143.138.4 +ip4:198.143.138.2 ~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
See demo & docs
Deep verification
Full email verification for maisempresas.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits