Nscd seems runnig but cant resolve any dns question

Question

Hi, nscd seems running but it only gives error.

nerkn@nerkn-laptop:~$ dig istanbulboncugu.com @localhost &
[1] 19741
nerkn@nerkn-laptop:~$ dig istanbulboncugu.com

; <<>> DiG 9.7.0-P1 <<>> istanbulboncugu.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53994
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;istanbulboncugu.com.  IN A

;; ANSWER SECTION:
istanbulboncugu.com. 13190 IN A 69.163.197.162

;; Query time: 173 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Tue Oct 26 11:12:03 2010
;; MSG SIZE  rcvd: 53

After a while, background dig returns

; <<>> DiG 9.7.0-P1 <<>> istanbulboncugu.com @localhost
;; global options: +cmd
;; connection timed out; no servers could be reached


[1]+  Exit 9                  dig istanbulboncugu.com @localhost

My config section about hosts is

    enable-cache            hosts           yes
    positive-time-to-live   hosts           36000
    negative-time-to-live   hosts           20
    suggested-size          hosts           211
    check-files             hosts           yes
    persistent              hosts           yes
    shared                  hosts           yes
    max-db-size             hosts           33554432