mailbiz.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mailbiz.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 21:50:15 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
  • 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net
  • 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net

SOA Record

Raw SOA ns1.softlayer.com suporte.mailbiz.com.br 2026012302 7200 600 1728000 900
Primary NS (mname)
ns1.softlayer.com
Admin Email (rname)
suporte@mailbiz.com.br
Serial
2026012302
Refresh
7200s
Retry
600s
Expire
1728000s
Minimum TTL
900s

Nameservers (NS)

ns1.softlayer.com
ns2.softlayer.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:secureserver.net include:_spf.google.com include:spf.mbdlv.com.br ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 4 found
google._domainkey
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

7 records
  • SPFv=spf1 include:spf.protection.outlook.com include:secureserver.net include:_spf.google.com include:spf.mbdlv.com.br ~all
  • google-site-verification=qbR9exIxz4yCL_vaNhUh8UlDMIF6BmvM2o_ApkOogHQ
  • MS=ms60955901
  • proxy-ssl.webflow.com
  • google-site-verification=A2UQKKwhsNE7hC_2RZWOu7Jj7H8QImWkHL5ACv8ICOA
  • google-site-verification=VgfBQk8aXDYRRJW2mJq3y9nsCUA0uY6nr7iorx_2Vks
  • MS=3C0BD14B2AB8E80E189B2C3C5A931C10493B2F60
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