Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cempreconsultoria.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 05:28:08 UTC · ↺ Refresh
MX Hostnames
- mx02.twi.com.br
- mx01.twi.com.br
MX Priorities
- mx02.twi.com.br: 10
- mx01.twi.com.br: 10
A / AAAA Records
- 201.87.225.29 ↩ ns29.twi.com.br
Mail Server IPs
- 201.87.225.78 ↩ mx02.twi.com.br
- 201.87.225.77 ↩ mx01.twi.com.br
SOA Record
Raw SOA
dns1.twi.com.br root.twi.com.br 2025061669 43200 7200 2419200 86400
Primary NS (mname)
dns1.twi.com.br
Admin Email (rname)
root@twi.com.br
Serial
2025061669
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns1.twi.com.br
dns2.twi.com.br
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:201.87.225.0/24 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:201.87.225.0/24 -all
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