On Thu, Mar 06, 2014 at 08:07:55AM -0500, Rob Seastrom wrote:
Nick Hilliard <nick@foobar.org> writes:
haven't you heard about "anycast"??
rs probably has. The owner of 199.73.57.122, probably not.
indeed. there are many pieces of evidence that this is not an anycast prefix. proof is left as an exercise to those who can perform traceroutes from multiple continents, run nmap -sP, log into route-views, or do some combination of the above.
-r
sorry for the poor attempt at humour... it was ancient practice to hang many names (not cnames) off a single IP address. all perfectly legal from a DNS POV. rs.example.org. in a 10.10.10.53 nick.example.com. in a 10.10.10.53 bbss.isc.org. in a 10.10.10.53 the punchline here was "anycasting" the address across multiple names. nary a routing trick in sight or in play. Lame I know. as a tool to defeat the autobots who insist on "two nameservers" for a delegation - its kind of a clever poke in the eye w/ a sharp stick. Back to my oubliette /bill