rsfiltros.com.br

Valid Email Server
Domain Lookup › rsfiltros.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-29 05:29:30 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 23.227.38.65 ↩ myshopify.com
  • 2620:127:f00f:5::

Mail Server IPs

  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
  • 172.253.139.27 ↩ yuiadsk-in-f27.1e100.net
  • 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
  • 2607:f8b0:4004:c27::1b ↩ yuiadsk-in-f27.1e100.net
  • 2607:f8b0:4004:c27::1a ↩ yuiadsk-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net

SOA Record

Raw SOA a.sec.dns.br hostmaster.registro.br 2026082000 86400 900 604800 900
Primary NS (mname)
a.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026082000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

a.sec.dns.br
b.sec.dns.br

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 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

3 records
  • google-site-verification=RR11MLt7cUVatYV6JorRbtAufOk8YG4EV6Qw1q7dwnc
  • facebook-domain-verification=53nnqrzz3k4nods13z7y6d3uf065ba
  • MS=970AC800B4B3D571EE5B9D08FD7DCB7F8FDBCEDF
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