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mtglichking
V2EX  ›  DNS

App Store国内有CDN了?

  •  
  •   mtglichking · 2013-03-12 19:17:41 +08:00 via iPhone · 5322 次点击
    这是一个创建于 4266 天前的主题,其中的信息可能已经有所发展或是发生改变。
    网络环境北京联通,刚刚在App Store下载速度能赶超迅雷离线的速度。。。
    8 条回复    1970-01-01 08:00:00 +08:00
    Livid
        1
    Livid  
    MOD
       2013-03-12 19:55:29 +08:00 via iPhone
    Terminal 里运行 dig a1.phobos.apple.com 看看就知道了。
    hao0088
        2
    hao0088  
       2013-03-12 20:38:53 +08:00
    @Livid 呵呵,还是用的蓝讯的
    ninjai
        3
    ninjai  
       2013-03-12 22:43:40 +08:00
    $ nslookup a1.phobos.apple.com
    服务器: UnKnown
    Address: 192.168.1.1

    非权威应答:
    名称: cc00109.h.cncssr.chinacache.net
    Addresses: 125.39.191.171
    182.118.46.136
    218.59.209.206
    220.194.196.130
    221.192.146.40
    221.204.184.134
    221.204.184.135
    125.39.191.168
    125.39.191.169
    125.39.191.170
    Aliases: a1.phobos.apple.com
    a1.phobos-apple.com.akadns.net
    a1-a200.phobos.apple.chinacache.net
    a1-a200.phobos.apple.cncssr.chinacache.net
    ewangke
        4
    ewangke  
       2013-03-13 00:54:31 +08:00
    nslookup a1.phobos.apple.com
    Server: 218.85.157.99
    Address: 218.85.157.99#53

    Non-authoritative answer:
    a1.phobos.apple.com canonical name = a1.phobos-apple.com.akadns.net.
    a1.phobos-apple.com.akadns.net canonical name = a1-a200.phobos.apple.chinacache.net.
    a1-a200.phobos.apple.chinacache.net canonical name = a1-a200.phobos.apple.telssr.chinacache.net.
    a1-a200.phobos.apple.telssr.chinacache.net canonical name = cc00109.h.telssr.chinacache.net.
    Name: cc00109.h.telssr.chinacache.net
    Address: 117.27.159.11
    Name: cc00109.h.telssr.chinacache.net
    Address: 117.27.159.12
    Name: cc00109.h.telssr.chinacache.net
    Address: 117.27.159.10


    @Livid
    @hao0088
    @ninjai
    这个是表示一条CNAME链么?还是平行的?
    Livid
        5
    Livid  
    MOD
       2013-03-13 00:59:44 +08:00
    @ewangke Yes, a CNAME chain.
    avatar
        6
    avatar  
       2013-03-13 11:11:54 +08:00
    为啥手机用wifi超级慢,速度在1K以下,基本没法正常下载,用3G和电脑都很快,应该如何解决啊
    hh4j
        7
    hh4j  
       2013-03-15 10:11:56 +08:00
    我这默认当地联通DNS下载很慢,用了v2ex能快些了,目前Apple的CDN并没有感觉出来有多快。
    bostoneboy
        8
    bostoneboy  
       2013-03-15 21:51:45 +08:00
    深圳电信,确实有国内CDN加速了。于是把这个域名加到dnsmasq里面了


    ; <<>> DiG 9.8.3-P1 <<>> a1.phobos.apple.com
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61990
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 14, AUTHORITY: 0, ADDITIONAL: 0

    ;; QUESTION SECTION:
    ;a1.phobos.apple.com. IN A

    ;; ANSWER SECTION:
    a1.phobos.apple.com. 9719 IN CNAME a1.phobos-apple.com.akadns.net.
    a1.phobos-apple.com.akadns.net. 90 IN CNAME a1-a200.phobos.apple.chinacache.net.
    a1-a200.phobos.apple.chinacache.net. 470 IN CNAME a1-a200.phobos.apple.telssr.chinacache.net.
    a1-a200.phobos.apple.telssr.chinacache.net. 470 IN CNAME cc00109.h.telssr.chinacache.net.
    cc00109.h.telssr.chinacache.net. 77 IN A 121.14.234.50
    cc00109.h.telssr.chinacache.net. 77 IN A 121.14.234.96
    cc00109.h.telssr.chinacache.net. 77 IN A 183.60.196.142
    cc00109.h.telssr.chinacache.net. 77 IN A 183.60.196.147
    cc00109.h.telssr.chinacache.net. 77 IN A 61.146.164.50
    cc00109.h.telssr.chinacache.net. 77 IN A 61.146.164.52
    cc00109.h.telssr.chinacache.net. 77 IN A 61.146.164.54
    cc00109.h.telssr.chinacache.net. 77 IN A 61.146.164.51
    cc00109.h.telssr.chinacache.net. 77 IN A 121.14.235.244
    cc00109.h.telssr.chinacache.net. 77 IN A 121.14.235.36

    ;; Query time: 54 msec
    ;; SERVER: 192.168.1.1#53(192.168.1.1)
    ;; WHEN: Fri Mar 15 21:49:16 2013
    ;; MSG SIZE rcvd: 353
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