Dig is giving weird response

[hpz0010 at my-deja.com]

I can dig dla.mil (output follows)

; <<>> DiG 8.2 <<>> dla.mil ns
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2
;; QUERY SECTION:
;;      dla.mil, type = NS, class = IN

;; ANSWER SECTION:
dla.mil.                20h14m47s IN NS  NS2.dla.mil.
dla.mil.                20h14m47s IN NS  NS1.dla.mil.

;; ADDITIONAL SECTION:
NS2.dla.mil.            22h26m31s IN A  192.67.251.7
NS1.dla.mil.            22h26m32s IN A  206.38.35.3

;; Total query time: 14 msec
;; FROM: ash to SERVER: default -- 192.78.138.6
;; WHEN: Wed Mar  1 15:17:44 2000
;; MSG SIZE  sent: 25  rcvd: 93

I can't dig anything under dla.mil why?

; <<>> DiG 8.2 <<>> drms.dla.mil ns
;; res options: init recurs defnam dnsrch
;; res_nsend to server default -- 192.78.138.6: Connection timed out

; <<>> DiG 8.2 <<>> dscc.dla.mil ns
;; res options: init recurs defnam dnsrch
;; res_nsend to server default -- 192.78.138.6: Connection timed out


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