How to mail id from the domain in dig

In dig command, you can use the -t option to specify the type of query you want to perform. To query for the mail exchanger (MX) records for a domain, you can use the following command:

dig +short mx example.com

This will return the mail exchanger records for the example.com domain, which will include the mail server(s) responsible for receiving email for that domain.

If you want to query for the mail server(s) responsible for sending email from a specific domain, you can use the following command:

dig +short a example.com

This will return the IP address(es) associated with the example.com domain, which can be used to send email from that domain.

Note: The +short option tells dig to return only the answer section of the response, without the additional sections (e.g. authority, additional).

Also, you can use the -x option to query for the mail server(s) responsible for sending email from a specific domain, it will return the mail server(s) responsible for sending email from the domain.

dig -x example.com

You can also use the mx option to query for the mail exchanger records for a domain, it will return the mail exchanger records for the domain.

dig mx example.com

Please keep in mind that the output of these commands may vary depending on the DNS configuration of the domain and the DNS server you are querying.