Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colegiomundial.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 23:45:30 UTC · ↺ Refresh
MX Hostnames
- colegiomundial.com.br
MX Priorities
- colegiomundial.com.br: 0
A / AAAA Records
- 51.161.15.131 ↩ cloud025.ca.san.psi.br
- 2607:5300:203:6a83:: (no PTR)
Mail Server IPs
- 51.161.15.131 ↩ cloud025.ca.san.psi.br
- 2607:5300:203:6a83:: (no PTR)
SOA Record
Raw SOA
ns1.san.psi.br hostmaster.corp.saninternet.com 2026020401 3600 1800 1209600 86400
Primary NS (mname)
ns1.san.psi.br
Admin Email (rname)
hostmaster@corp.saninternet.com
Serial
2026020401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.san.psi.br
ns1.san.psi.br
ns4.san.psi.br
ns3.san.psi.br
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:51.161.15.131 ip4:51.222.203.22 ip4:54.39.16.170 +ip4:51.222.225.115 +a +mx +ip4:142.44.253.195 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._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
1 record- SPFv=spf1 ip4:51.161.15.131 ip4:51.222.203.22 ip4:54.39.16.170 +ip4:51.222.225.115 +a +mx +ip4:142.44.253.195 ~all
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