oddly enough there's been some research on this subject. you might not in
fact be able to conclude that if your routing is sufficiently stable.
On Fri, Aug 05, 2005 at 12:05:08PM +0200, Iljitsch van Beijnum wrote:
I'm not sure how much room additional AAAA records take up, but I
think it's a little under 30 bytes. At this rate, there is no way
you're going to run out of 512 bytes with less than 10 AAAA records.
Then there is EDNS0, and failing that, TCP.
With the use of anycast DNS servers on the internet, TCP is no longer an
option for DNS.