Can dhcpd update DNS CNAME records?

Simon Hobson dhcp1 at
Thu Dec 13 19:05:19 UTC 2007

Dean Montgomery wrote:
>Our schools are successfully having the dhcp server update the bind DNS
>entries A and PTR records.  I would like to include CNAME record updates from
>the dhcpd.conf file, how would I do this?
>   host a100-10 {
>     # Note: principal's laptop
>     hardware ethernet 00:17:31:63:34:58;
>     fixed-address;
>     option cname "principal";
>   }
>I need the regular A and PTR entries to follow one naming convention for host
>names, at the same time It would be very nice to have a CNAME alias to access
>the cryptic host name.
>Is there a way to have dhcp server update CNAME records?

Not without hacking the code or doing some intermediary to intercept 
the DNS updates and do different ones.

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