cercos.com.br

Valid Email Server
Domain Lookup › cercos.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-24 15:25:43 UTC · ↺ Refresh

MX Hostnames

  • mx.uhserver.com

MX Priorities

  • mx.uhserver.com: 20

A / AAAA Records

  • 179.188.54.232 (no PTR)

Mail Server IPs

  • 200.147.36.29 ↩ mx.uhserver.com

SOA Record

Raw SOA d.sec.dns.br hostmaster.registro.br 2026080000 345600 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026080000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

e.sec.dns.br
d.sec.dns.br

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.whservidor.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement

DMARC Record

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.whservidor.com ?all
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