Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
informatize.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 11:40:53 UTC · ↺ Refresh
MX Hostnames
- mx.a.locaweb.com.br
- mx.b.locaweb.com.br
- mx.jk.locaweb.com.br
- mx.core.locaweb.com.br
MX Priorities
- mx.b.locaweb.com.br: 20
- mx.jk.locaweb.com.br: 20
- mx.core.locaweb.com.br: 10
- mx.a.locaweb.com.br: 20
A / AAAA Records
- 104.21.14.243 (no PTR)
- 172.67.160.205 (no PTR)
- 2606:4700:3035::ac43:a0cd (no PTR)
- 2606:4700:3035::6815:ef3 (no PTR)
Mail Server IPs
- 177.153.23.242 ↩ mx.b.locaweb.com.br
- 200.234.204.130 ↩ mx.jk.locaweb.com.br
- 177.153.23.241 ↩ mx.core.locaweb.com.br
- 186.202.4.42 ↩ mx.a.locaweb.com.br
SOA Record
Raw SOA
brynne.ns.cloudflare.com dns.cloudflare.com 2400077101 10000 2400 604800 1800
Primary NS (mname)
brynne.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400077101
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
brynne.ns.cloudflare.com
kayden.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.locaweb.com.br ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:_spf.locaweb.com.br ?all
Full email verification for informatize.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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