指定了 NS 服务器也得不到权威应答? - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member  Sign In
qq316107934
V2EX    DNS

指定了 NS 服务器也得不到权威应答?

  •  
  •   qq316107934 Aug 18, 2016 5051 views
    This topic created in 3540 days ago, the information mentioned may be changed or developed.

    最近用 Google.com 上不去 Google ,用 Google.co.jp 却可以。

    nslookup 了一下发现得不到权威应答, Google.com 被污染到了一个意大利 IP 。

    然后发现了一个奇怪的现象:

    就算指定了 NS 服务器也得不到权威应答? 这不科学!

    不想通过 Hosts 来解决这个问题,身边也没有 Linux 设备作为 DNS 本地服务器,大家有什么好的解决方案吗?

    6 replies    2016-09-06 02:14:53 +08:00
    ryd994
        1
    ryd994  
       Aug 18, 2016 via Android   1
    DNS 默认基于 UDP 可以伪造应答,只要对方能控制链路,可以劫持对任意 IP 的请求
    你可以尝试 DNS over TCP
    或者 dnscrypt
    另外, Windows 有 hosts
    qq316107934
        2
    qq316107934  
    OP
       Aug 18, 2016
    @ryd994 谢谢,尝试使用 DNSCrypt ,刷新缓存后解决问题了
    txydhr
        3
    txydhr  
       Aug 18, 2016 via iPhone   1
    google dns 污染
    dynos01
        4
    dynos01  
       Aug 18, 2016 via iPad   1
    因为被污染了啊。。。 udp 的数据包伪造太容易了
    luojiyin87
        5
    luojiyin87  
       Aug 19, 2016
    不加密 udp 53 端口, 想污染太简单了
    mytsing520
        6
    mytsing520  
    PRO
       Sep 6, 2016
    已被污染,关键字为 www.google.com

    你检索 www.google.com.cn 会发现也会指向到一个奇怪的地址
    About     Help     Advertise     Blog     API     FAQ     Solana     3786 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 54ms UTC 10:30 PVG 18:30 LAX 03:30 JFK 06:30
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86