how to overcome underscore in A record

[Kevin Darcy]

PM Wong wrote:
> We've been using the older version (pre 9.3) 
> and the underscore in the hostname in A recored
> like
> this_machine IN A 123.2.234.4
>
> is okay.
> We have to upgrade the bind to 9.5
> The new version does not like underscore in the hostname
>
> Is there any way to workaround ?
> (otherwise we have to re-publish the web site URL
> with a new one 
> as the user has used the underscore in its web site
> for quite some time)
>   
The name is technically illegal, but "check-names master ignore" (or 
"... warn") still works, for those of us who believe that it is not the 
job of DNS software to enforce non-DNS standards.

                                                                         
               - Kevin