Email DNS records for concursos.com.br
MX, SPF, DMARC and DKIM records published for concursos.com.br. Domain age: 28 years.
concursos.com.br publishes a null MX record, which means it does not accept email. Authentication records found: SPF, DMARC. Not found: DKIM (among common selectors).
| Check | Result | What it means |
|---|---|---|
| MX | Null MX | The domain explicitly declares that it does not accept email (RFC 7505). |
| SPF | Found | The record ends with -all: mail from servers not listed should be rejected (hard fail). |
| DMARC | p=reject | The policy is reject: receivers are asked to reject messages that fail DMARC. |
| DKIM | Not found among common selectors | DKIM can only be confirmed with the selector used by the sender, so this does not mean the domain has no DKIM. |
Last checked: 2026-10-06 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.
MX records for concursos.com.br
- 0 .
Email authentication records for concursos.com.br
SPF record
v=spf1 -all
DMARC record
v=DMARC1; p=reject;
Check a specific email address @concursos.com.br
This page checks how concursos.com.br is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Created1998-03-19
Updated2024-04-17
Expires2032-03-19
Server location
IP address65.111.175.112
CountryUnited States
ASN15083
Name servers
NS 1ns1.concursos.com.br.
NS 2ns2.concursos.com.br.
TXT records for concursos.com.br
TXT 1v=spf1 -all