Glue from Root Servers returns wrong A record, why?

[Stephane Bortzmeyer]

On Mon, Sep 10, 2012 at 11:47:38AM -0700,
 Ponga <ponga2112 at gmail.com> wrote 
 a message of 55 lines which said:

> But if I ask any root server, [...] DiG 9.7.3 <<>> -t ns intaq.com
> @192.42.93.30

192.42.93.30 is not a root name server.