On Wed, 23 Aug 2017 20:09:49 +0000 Erik Sundberg <[email protected]> wrote:
> Which Google DNS Server Cluster am I using. I am testing this from Chicago, IL > > # dig o-o.myaddr.l.google.com -t txt +short @8.8.8.8 > "173.194.94.135" <<<<<<DNS Server IP, reference the list > above to get the cluster, Council Bluffs, IA > "edns0-client-subnet 207.xxx.xxx.0/24" <<<< > Your Source IP Block Worth noting, this record has TTL 60 and caching can cause unexpected responses; you may have to try a few times to get the correct data. My first attempt gave me an unrecognized "edns0-client-subnet" and a Google IP from Finland when I was querying from Atlanta. -s
