%uname -a
FreeBSD 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
%ping dl_dir.qq.com
ping: cannot resolve dl_dir.qq.com: Unknown server error
[sundj@WebServer ~]$ uname -a
Linux WebServer 2.6.9-5.ELsmp #1 SMP Wed Jan 5 19:30:39 EST 2005 i686 i686 i386 GNU/Linux
[sundj@WebServer ~]$ ping dl_dir.qq.com
PING dl_dir1.qq.com (221.236.30.114) 56(84) bytes of data.
64 bytes from 221.236.30.114: icmp_seq=0 ttl=52 time=37.9 ms
64 bytes from 221.236.30.114: icmp_seq=1 ttl=52 time=37.5 ms
C:\>ping dl_dir.qq.com
Pinging dl_dir.tc.qq.com [60.28.230.162] with 32 bytes of data:
Reply from 60.28.230.162: bytes=32 time=17ms TTL=53
Reply from 60.28.230.162: bytes=32 time=17ms TTL=53
I think this is must be a bug!