Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gzsistemas.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 02:27:59 UTC · ↺ Refresh
MX Hostnames
- mx-vip-01.uni5.net
- mx-vip-02.uni5.net
MX Priorities
- mx-vip-02.uni5.net: 5
- mx-vip-01.uni5.net: 5
A / AAAA Records
- 191.6.210.17 ↩ web206.uni5.net
- 2804:10:8002::210:17 ↩ web206.uni5.net
Mail Server IPs
- 191.6.220.39 ↩ mx-vip-02-farm28.uni5.net
- 2804:10:8028::220:39 ↩ mx-vip-02-farm28.uni5.net
- 191.6.220.38 ↩ mx-vip-01-farm28.uni5.net
- 2804:10:8028::220:38 ↩ mx-vip-01-farm28.uni5.net
SOA Record
Raw SOA
dns1.grupogz.com.br abuse.uni5.net 2504141024 86400 14400 604800 3600
Primary NS (mname)
dns1.grupogz.com.br
Admin Email (rname)
abuse@uni5.net
Serial
2504141024
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.grupogz.com.br
dns4.grupogz.com.br
dns3.grupogz.com.br
dns1.grupogz.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=MCNBZm7B4Bt7t-BE8yNUPajHDh2508aLhcWdAHuGQRw
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
- SPFv=spf1 include:_spf.uni5.net -all
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