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monk
V2EX  ›  DNS

为什么即使用 flush dns 后还有残留?

  •  
  •   monk · 2015-03-24 14:39:39 +08:00 · 2613 次点击
    这是一个创建于 3530 天前的主题,其中的信息可能已经有所发展或是发生改变。
    win 7上,用了 runas /user:administrator 启动命令行
    输入 ipconfig /flushdns ,然后 /displaydns看见下面的。由于字数限制,下面只是一部分。

    为啥还有残留?怎么彻底清除?

    Windows IP Configuration

    dl-client958.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client958.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 50.16.187.233


    dl-client958.dropbox.com
    ----------------------------------------
    No records of type AAAA


    158.225.21.23.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 158.225.21.23.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client939.dropbox.com


    dl-client934.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client934.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.206.222


    dl-client934.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client926.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client926.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.44.36


    dl-client926.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client910.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client910.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.82.212


    dl-client910.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client902.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client902.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.208.17


    dl-client902.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client878.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client878.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.207.120


    dl-client878.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client830.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client830.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.245.131


    dl-client830.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client822.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client822.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.190.242


    dl-client822.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client814.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client814.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.23.107.172


    dl-client814.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client806.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client806.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.23.107.117


    dl-client806.dropbox.com
    ----------------------------------------
    No records of type AAAA


    48.130.101.75.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 48.130.101.75.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client642.dropbox.com


    32.214.17.50.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 32.214.17.50.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client250.dropbox.com





    Record Name . . . . . : 12.166.160.108.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : client37.dropbox.com


    Record Name . . . . . : 12.166.160.108.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : client68.dropbox.com


    202.111.23.23.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 202.111.23.23.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client914.dropbox.com


    53.169.21.23.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 53.169.21.23.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client846.dropbox.com


    28.124.23.23.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 28.124.23.23.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client629.dropbox.com


    76.217.129.174.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 76.217.129.174.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client189.dropbox.com


    80.208.16.50.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 80.208.16.50.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client95.dropbox.com


    dl-debug36.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-debug36.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.20.249.207


    dl-debug36.dropbox.com
    ----------------------------------------
    No records of type AAAA


    148.249.20.107.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 148.249.20.107.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-debug27.dropbox.com


    dl-debug24.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-debug24.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.20.249.119


    dl-debug24.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-debug12.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-debug12.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.20.249.56


    dl-debug12.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client775.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client775.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.22.234.83


    dl-client775.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client767.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client767.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 174.129.193.117


    dl-client767.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client751.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client751.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.22.238.106


    dl-client751.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client743.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client743.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 50.17.226.173


    dl-client743.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client719.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client719.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.21.116.50


    dl-client719.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client671.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client671.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 50.17.217.94


    dl-client671.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client663.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client663.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 50.16.231.91


    dl-client663.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client655.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client655.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 107.21.108.33


    dl-client655.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client647.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client647.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.48.22


    dl-client647.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client639.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client639.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.175.206


    dl-client639.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client559.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client559.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.23.226.202


    dl-client559.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client535.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client535.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.23.223.77


    dl-client535.dropbox.com
    ----------------------------------------
    No records of type AAAA


    138.222.23.23.in-addr.arpa
    ----------------------------------------
    Record Name . . . . . : 138.222.23.23.in-addr.arpa.
    Record Type . . . . . : 12
    Time To Live . . . . : 86400
    Data Length . . . . . : 8
    Section . . . . . . . : Answer
    PTR Record . . . . . : dl-client528.dropbox.com


    dl-client527.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client527.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.23.223.48


    dl-client527.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client511.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client511.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.23.217.150


    dl-client511.dropbox.com
    ----------------------------------------
    No records of type AAAA


    dl-client503.dropbox.com
    ----------------------------------------
    Record Name . . . . . : dl-client503.dropbox.com
    Record Type . . . . . : 1
    Time To Live . . . . : 86400
    Data Length . . . . . : 4
    Section . . . . . . . : Answer
    A (Host) Record . . . : 23.21.220.167


    dl-client503.dropbox.com
    ----------------------------------------
    No records of type AAAA
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