[outages] Google Resolver 8.8.8.8 Selectively responding to RDNS requests

[Stephane Bortzmeyer]

On Fri, May 23, 2014 at 03:31:42AM -0400,
 Blake McKeeby <blake.mckeeby at gmail.com> wrote 
 a message of 10 lines which said:

> Has anyone else seen this sort of selective response by Google? Do
> they maintain some sort of black list?

I would suggest it is probably more load balancing by hashing the
source IP address then a black hole.