It's also entirely possible that the behavior observed will change because of testing. The more a test looks different from "normal" residential traffic the more likely that it's going to be handled differently.
Scott Helms Vice President of Technology ZCorum (678) 507-5000 -------------------------------- http://twitter.com/kscotthelms -------------------------------- On Wed, Dec 3, 2014 at 1:37 PM, Christopher Morrow <morrowc.li...@gmail.com> wrote: > On Wed, Dec 3, 2014 at 12:54 PM, Grant Ridder <shortdudey...@gmail.com> > wrote: > > Hi Everyone, > > > > Thanks for the replies! After reading them, i am doing some digging into > > DNS RFC's and haven't found much with respect to ANY queries. Not > > responding with full results to protect against being used in an attack > > makes sense. However, I find it odd that only 1 of the 4 anycast > servers I > > tried would institute this. > > it's possible (jason hinted at this) that the servers in question are > not a homogeneous software set... and have different behaviour being > displayed because of that. > > Also, just because you sent a packet to 4 different ip addresses > doesn't mean that they didn't end up on one or some of the same hosts > behind loadbalancers/ecmp/etc, right? (so it's not clear you are/can > test this properly from your vantage point) > > -chris > > (what's a bit concerning is my comcast link's not able to talk to > cdns02 at all... over ipv4 at least, v6 works, thankfully I suppose) >