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And when a domain does not have an A record, the domain name will not work and cannot be used to access any other website or server. To ensure that your website works correctly across the entire internet, you want to make sure that you are using an A Record.

Essential DNS records for sending and tracking emails TXT record. A TXT record is used to store text data in the DNS database. ... MX record. A DNS MX (Mail Exchange) record directs mail to a mail server by specifying which server is responsible for accepting messages on behalf of a domain. ... CNAME record.

MX (Mail Exchanger) Record is a record that is stored in the DNS, and it specifies a mail server that accepts email messages on behalf of the recipient. With the use of a simple mail transfer protocol, it provides a reference value which prioritizes the emails received.

It is not a strict requirement for a domain name to have an A record. An A record is only a requirement when you need your domain name to resolve to an IPV4 address. A quad A IPV6 is also an AAAA record that can be used to resolve a domain name to a server instead of using an A record.

MX records are essentially a standard part of email delivery. They're technically not required for a sender domain, but due to spam, receiving servers may reject emails from a domain without an MX record. In short, if you want to successfully deliver emails, you need an MX record.

An "A" record maps a name to an address. You will first need an A record for your mailserver. Your static IP address from your ISP was the first step, of course. For example, you might log into the web portal for the example.com domain and create an "A" record for "mail" for 192.0.

A DNS 'mail exchange' (MX) record directs email to a mail server. The MX record indicates how email messages should be routed in ance with the Simple Mail Transfer Protocol (SMTP, the standard protocol for all email). Like CNAME records, an MX record must always point to another domain.