ns4.correios.com.br
The domain ns4.correios.com.br answers at IP address 186.211.131.16. This domain declares no mail servers, so it cannot receive mail in its own name.
A A records
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 55 minutes ago.