techbiz.com.br

Valid Email Server
Domain Lookup › techbiz.com.br
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
techbiz.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 08:13:54 UTC · ↺ Refresh

MX Hostnames

  • techbiz-com-br.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 35.172.94.1
  • 100.24.208.97

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns1.a2hosting.com
ns3.a2hosting.com
ns4.a2hosting.com
ns2.a2hosting.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx include:spf.protection.outlook.com include:sendgrid.net include:spf.topdesk.net include:spf.a2hosting.com include:relay.mailchannels.net include:_spf.embluemail.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • MS=ms70493480
  • SPFv=spf1 +a +mx include:spf.protection.outlook.com include:sendgrid.net include:spf.topdesk.net include:spf.a2hosting.com include:relay.mailchannels.net include:_spf.embluemail.com ~all
  • google-site-verification=hoI_UN-m5y0M-z-pj98xc7NLLcn9wo_Ms9ILlH-mroI
  • test
  • citrix-verification-code=cdfae381-0c02-4293-bbf8-7eb79b97a59d
  • F6+Yy9RYJ6NnbFJuMTWKiRahCVCY47hy7EqYawud9vZNL4VmzGxbxWnr3kyJP+TfOrpuxZmo3z7RVezOpcXUwA==
  • linkedin-site-verification=c35a8eab-5477-446d-96ef-c982538cd54b
  • google-site-verification=cB7FVvcF8nANYxRBq2kGcTZkbF8LbEMKvufscf2ms18
  • google-site-verification=YN48aCQB9eYoiBshNmqAIn3v0ALve5VE7WUILA13J_M
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