Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tecnicon.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 04:38:19 UTC · ↺ Refresh
MX Hostnames
- mail.tecnicon.com.br
MX Priorities
- mail.tecnicon.com.br: 10
A / AAAA Records
- 187.45.193.218 ↩ hm2809.locaweb.com.br
- 143.137.238.10 ↩ 143.137.238.10-customer-fttx.brphonia.com.br
Mail Server IPs
- 143.137.238.14 ↩ mail.tecnicon.com.br
SOA Record
Raw SOA
tecnicon.com.br claudia.gasperin.tecnicon.com.br 2026032701 86400 7200 2419200 3600
Primary NS (mname)
tecnicon.com.br
Admin Email (rname)
claudia@gasperin.tecnicon.com.br
Serial
2026032701
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.tecnicon.com.br
tecnicon.com.br
ns2.tecnicon.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:143.137.238.14 include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=s; aspf=s; pct=100; rf=afrf; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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=t8l9D1-Z_tSNhLef-ePusZmP9xJZsqBWoIdSWRP-Kec
- VPOO81HIBPFVRPU45LAJO3N3KS
- SPFv=spf1 ip4:143.137.238.14 include:_spf.rdstation.com.br include:sendgrid.net ~all
Full email verification for tecnicon.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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