nic.br

Valid Email Server
Domain Lookup › nic.br

Domain Overview

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

Checked via [email protected] · 2026-03-22 10:53:50 UTC · ↺ Refresh

MX Hostnames

  • mx.nic.br
  • enqueuer.nic.br

MX Priorities

  • mx.nic.br: 1
  • enqueuer.nic.br: 5

A / AAAA Records

  • 200.160.4.6 ↩ nic.br
  • 2001:12ff::4:0:0:0:6 ↩ nic.br

Mail Server IPs

  • 200.160.4.15 ↩ mx.nic.br
  • 2001:12ff::4:0:0:0:15 ↩ mx.nic.br
  • 200.160.4.29 ↩ enqueuer.nic.br
  • 2001:12ff::4:0:0:0:29 ↩ enqueuer.nic.br

SOA Record

Raw SOA a.dns.br hostmaster.registro.br 2026032200 1800 900 604800 900
Primary NS (mname)
a.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026032200
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

c.dns.br
e.dns.br
a.dns.br
d.dns.br
b.dns.br

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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 mx -all
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