199.91.73.222不能对app store加速吗？

[kmwz]

我设置199.91.73.222为DNS服务器，ping adcdownload.apple.com 结果返回的IP地址显示是美国，换成178.79.131.110后，再ping就返回香港的IP地址。

[Livid]

199.91.73.222 一直也是返回香港地址。如果设置之后没有马上生效，建议重启。

dig @199.91.73.222 adcdownload.apple.com

; <<>> DiG 9.8.1-P1 <<>> @199.91.73.222 adcdownload.apple.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48852
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;adcdownload.apple.com. IN A

;; ANSWER SECTION:
adcdownload.apple.com. 4294433195 IN A 219.76.10.14

;; Query time: 542 msec
;; SERVER: 199.91.73.222#53(199.91.73.222)
;; WHEN: Tue Aug 14 11:47:25 2012
;; MSG SIZE rcvd: 55