Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grandsinformatica.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 06:07:15 UTC · ↺ Refresh
MX Hostnames
- mail.grandsinformatica.com.br
MX Priorities
- mail.grandsinformatica.com.br: 1
A / AAAA Records
- 104.21.63.42 (no PTR)
- 172.67.143.17 (no PTR)
- 2606:4700:3036::ac43:8f11 (no PTR)
- 2606:4700:3035::6815:3f2a (no PTR)
Mail Server IPs
- 98.142.102.178 ↩ server.hostcaos.com.br
SOA Record
Raw SOA
addyson.ns.cloudflare.com dns.cloudflare.com 2399027142 10000 2400 604800 1800
Primary NS (mname)
addyson.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399027142
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
addyson.ns.cloudflare.com
moura.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:98.142.102.178 +include:gralink.grandsinformatica.com.br +include:_spf.locaweb.com.br ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +ip4:98.142.102.178 +include:gralink.grandsinformatica.com.br +include:_spf.locaweb.com.br ?all
- SPFv=spf1 include:gralink.grandsinformatica.com.br include:_spf.locaweb.com.br ?all
Full email verification for grandsinformatica.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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