28 Jul
2012
28 Jul
'12
2:24 a.m.
On Fri, Jul 27, 2012 at 02:33:53PM -0700, Rick Moen wrote:
because an IP can reverse to only one of potentially a myriad of forward A records.
that's not actually true. you can have as many PTR records as you like for a given rDNS entry. http://en.wikipedia.org/wiki/Reverse_DNS_lookup#Multiple_pointer_records Whether that's actually useful or not is another matter (in some cases it is, in most it is not), and it's definitely not recommended. "don't do it" is a reasonably good rule of thumb here. "don't do it unless you know what you're doing and why" is even better.
[...] As they said in the movie, there can be only one.
unless you have more. craig -- craig sanders <cas@taz.net.au>