Resolving MX problem

Need help!
We use use bind-8.3.1 on Solaris 8 as a resolver (no security problems because this DNS doesn't face the internet). We have problem to resolv hotmail.com (MX).
Could someone to help us?
We need help!
Thank you very much!

Here the request and answer:
# dig hotmail.com. mx

; <<>> DiG 8.3 <<>> hotmail.com. mx
;; res options: init recurs defnam dnsrch
;; res_nsend to server default -- 192.168.250.71: Connection timed out
#

Here the debug log level 1:

23-Nov-2004 14:36:11.116 default: notice: Ready to answer queries.
23-Nov-2004 14:36:31.668 default: debug 1: datagram from [192.168.250.71].39271, fd 22, len 29
23-Nov-2004 14:36:31.668 default: debug 1: req: nlookup(hotmail.com) id 4 type=15 class=1
23-Nov-2004 14:36:31.668 default: debug 1: req: found 'hotmail.com' as 'hotmail.com' (cname=0)
23-Nov-2004 14:36:31.683 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=24198
id=0 retry=1101238596
23-Nov-2004 14:36:31.695 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=2449
id=0 retry=1101238596
23-Nov-2004 14:36:31.707 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=50256
id=0 retry=1101238596
23-Nov-2004 14:36:31.719 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=60531
id=0 retry=1101238596
23-Nov-2004 14:36:31.731 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=18154
id=0 retry=1101238596
23-Nov-2004 14:36:31.745 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=43749
id=0 retry=1101238596
23-Nov-2004 14:36:31.752 default: debug 1: forw: forw -> [192.26.92.30].53 ds=4 nsid=57556 id=4
8ms retry 4sec
23-Nov-2004 14:36:31.802 default: debug 1: datagram from [192.26.92.30].53, fd 4, len 12
23-Nov-2004 14:36:31.803 default: debug 1: resend(addr=0 n=1) -> [192.26.92.30].53 ds=4 nsid=575
56 id=4 8ms
23-Nov-2004 14:36:31.854 default: debug 1: datagram from [192.26.92.30].53, fd 4, len 207
23-Nov-2004 14:36:31.858 default: debug 1: resp: nlookup(hotmail.com) qtype=15
23-Nov-2004 14:36:31.858 default: debug 1: resp: found 'hotmail.com' as 'hotmail.com' (cname=0)
23-Nov-2004 14:36:31.859 default: debug 1: finddata(): buflen=4067
23-Nov-2004 14:36:36.008 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=2419
8 id=0 13883ms
23-Nov-2004 14:36:36.009 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=4374
9 id=0 13883ms
23-Nov-2004 14:36:36.010 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=1815
4 id=0 13883ms
23-Nov-2004 14:36:36.011 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=6053
1 id=0 13883ms
23-Nov-2004 14:36:36.013 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=5025
6 id=0 13883ms
23-Nov-2004 14:36:36.014 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=2449
id=0 13883ms
23-Nov-2004 14:36:45.698 default: debug 1: datagram from [192.168.250.71].39271, fd 22, len 29
23-Nov-2004 14:36:45.698 default: debug 1: req: nlookup(hotmail.com) id 4 type=15 class=1
23-Nov-2004 14:36:45.699 default: debug 1: req: found 'hotmail.com' as 'hotmail.com' (cname=0)
23-Nov-2004 14:36:45.713 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=236 i
d=0 retry=1101238610
23-Nov-2004 14:36:45.725 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=64543
id=0 retry=1101238610
23-Nov-2004 14:36:45.738 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=35566
id=0 retry=1101238610
23-Nov-2004 14:36:45.750 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=56665
id=0 retry=1101238610
23-Nov-2004 14:36:45.762 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=56824
id=0 retry=1101238610
23-Nov-2004 14:36:45.776 default: debug 1: sysquery: send -> [192.36.148.17].53 dfd=4 nsid=123 i
d=0 retry=1101238610
23-Nov-2004 14:36:45.783 default: debug 1: forw: forw -> [192.48.79.30].53 ds=4 nsid=34770 id=4
12ms retry 4sec
23-Nov-2004 14:36:45.997 default: debug 1: datagram from [192.48.79.30].53, fd 4, len 12
23-Nov-2004 14:36:45.998 default: debug 1: resend(addr=0 n=1) -> [192.48.79.30].53 ds=4 nsid=347
70 id=4 12ms
23-Nov-2004 14:36:46.217 default: debug 1: datagram from [192.48.79.30].53, fd 4, len 207
23-Nov-2004 14:36:46.221 default: debug 1: resp: nlookup(hotmail.com) qtype=15
23-Nov-2004 14:36:46.221 default: debug 1: resp: found 'hotmail.com' as 'hotmail.com' (cname=0)
23-Nov-2004 14:36:46.221 default: debug 1: finddata(): buflen=4067
23-Nov-2004 14:36:50.007 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=236
id=0 13883ms
23-Nov-2004 14:36:50.009 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=123
id=0 13883ms
23-Nov-2004 14:36:50.010 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=5682
4 id=0 13883ms
23-Nov-2004 14:36:50.011 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=5666
5 id=0 13883ms
23-Nov-2004 14:36:50.012 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=3556
6 id=0 13883ms
23-Nov-2004 14:36:50.014 default: debug 1: resend(addr=1 n=0) -> [192.5.5.241].53 ds=4 nsid=6454
3 id=0 13883ms
23-Nov-2004 14:37:03.007 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=502
56 id=0 13884ms
23-Nov-2004 14:37:03.009 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=244
9 id=0 13884ms
23-Nov-2004 14:37:03.010 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=605
31 id=0 13884ms
23-Nov-2004 14:37:03.011 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=181
54 id=0 13884ms
23-Nov-2004 14:37:03.013 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=437
49 id=0 13884ms
23-Nov-2004 14:37:03.014 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=241
98 id=0 13884ms
23-Nov-2004 14:37:17.007 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=645
43 id=0 13884ms
23-Nov-2004 14:37:17.009 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=355
66 id=0 13884ms
23-Nov-2004 14:37:17.010 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=566
65 id=0 13884ms
23-Nov-2004 14:37:17.011 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=568
24 id=0 13884ms
23-Nov-2004 14:37:17.012 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=123
id=0 13884ms
23-Nov-2004 14:37:17.013 default: debug 1: resend(addr=2 n=0) -> [202.12.27.33].53 ds=4 nsid=236
id=0 13884ms
23-Nov-2004 14:37:21.583 default: debug 1: Debug off