On Thu, Mar 06, 2014 at 08:07:55AM -0500, Rob Seastrom wrote: > > Nick Hilliard <n...@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