HINFO (Host Information) Record


The Host Information (HINFO) record can be set up to give hardware operating system information about each host. Its presence is optional, but having the information available can be useful.

There can be only one HINFO record per host name.

Format:

Host.DOMAIN.NAME.       IN      HINFO   "CPU type" "Operating System"
          
Note that both the CPU type and OS fields are mandatory. If you want to leave one of these fields blank, specify it as " " (a blank space enclosed by double quotes. You cannot use just a pair of double quotes [""].)

Note: Official machine names that you need for HINFO are found in RFC 1700, Assigned Numbers. RFC 1700 lists useful information such as /etc/services values, Ethernet manufacturer hardware addresses, HINFO defaults, and much more.

 

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