The Start of Authority (SOA) resource record ... and your mail server running on the same machine. Mail Exchange records help you identify mail servers within a zone in your DNS database.

This relatively short value means that remote DNS resolvers should only cache records retrieved ... and it's mail.example.tld. The MX record just tells anyone who wants to send email to any ...

Company A has two mx records:<BR><BR ... BR><BR>By itself alone*, the broken mail2 record shouldn't cause issues with sending mail to Company A provided mail1 is working, should it?< ...

To understand how email security protocols work together, consider a typical email flow: Server A initiates a DNS request to ...

Also called "inverse DNS," the PTR record is an option. See reverse DNS. Two Name Server (NS) records identify the authoritative DNS servers for the domain. Required for redundancy, the secondary ...

The platform also leverages DNS email exchange (MX) records to identify victims ... plaintext UDP-based DNS queries. An MX (Mail Exchange) record is a type of DNS record that tells the internet ...