npxtech.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
npxtech.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 07:43:00 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 5.161.196.154 ↩ pabx.npx.com.br

Mail Server IPs

  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.62.26 ↩ bc-in-f26.1e100.net
  • 172.253.62.27 ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net

SOA Record

Raw SOA b.sec.dns.br hostmaster.registro.br 2026082002 345600 900 604800 900
Primary NS (mname)
b.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026082002
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

c.sec.dns.br
b.sec.dns.br

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._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

1 record
  • SPFv=spf1 include:_spf.google.com ~all
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