Root servers screwed (fwd)

[Michael Bryan]

Dave Wreski wrote:
> 
> > That is the proper response.  b.root-servers.net is NOT authoritative
> > for the COM zone, and it does not do recursive queries.
> >
> > The servers authoritative for COM are:
> 
> Shouldn't "dig @" produce a list of the authoritative servers?  Since it
> only appears to report the root-servers.net hosts, how can I generate the
> authoritative list?

Works for me.  Real output from dig just now, showing that c.root-servers.net
returns [a,e,f,g].root-servers.net and [a,c,f,h,i,j,k,m].gtld-servers.net as
the authoritative servers for "com."

====

# dig microsoft.com @c.root-servers.net

; <<>> DiG 8.2 <<>> microsoft.com @c.root-servers.net
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 12, ADDITIONAL: 12
;; QUERY SECTION:
;;      microsoft.com, type = A, class = IN

;; AUTHORITY SECTION:
COM.                    6D IN NS        A.ROOT-SERVERS.NET.
COM.                    6D IN NS        G.ROOT-SERVERS.NET.
COM.                    6D IN NS        F.GTLD-SERVERS.NET.
COM.                    6D IN NS        F.ROOT-SERVERS.NET.
COM.                    6D IN NS        E.ROOT-SERVERS.NET.
COM.                    6D IN NS        J.GTLD-SERVERS.NET.
COM.                    6D IN NS        K.GTLD-SERVERS.NET.
COM.                    6D IN NS        A.GTLD-SERVERS.NET.
COM.                    6D IN NS        M.GTLD-SERVERS.NET.
COM.                    6D IN NS        H.GTLD-SERVERS.NET.
COM.                    6D IN NS        C.GTLD-SERVERS.NET.
COM.                    6D IN NS        I.GTLD-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.     5w6d16h IN A    198.41.0.4
G.ROOT-SERVERS.NET.     5w6d16h IN A    192.112.36.4
F.GTLD-SERVERS.NET.     6D IN A         198.17.208.67
F.ROOT-SERVERS.NET.     5w6d16h IN A    192.5.5.241
E.ROOT-SERVERS.NET.     5w6d16h IN A    192.203.230.10
J.GTLD-SERVERS.NET.     6D IN A         198.41.0.21
K.GTLD-SERVERS.NET.     6D IN A         195.8.99.11
A.GTLD-SERVERS.NET.     6D IN A         198.41.3.38
M.GTLD-SERVERS.NET.     6D IN A         210.176.152.18
H.GTLD-SERVERS.NET.     6D IN A         216.33.75.82
C.GTLD-SERVERS.NET.     6D IN A         205.188.185.18
I.GTLD-SERVERS.NET.     6D IN A         192.36.144.253

;; Total query time: 83 msec


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