谷歌一域名 dns 解析 16 个 ip,略牛 - V2EX
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feng0vx
V2EX    DNS

谷歌一域名 dns 解析 16 个 ip,略牛

  •  
  •   feng0vx 2018-03-12 21:01:40 +08:00 9856 次点击
    这是一个创建于 2793 天前的主题,其中的信息可能已经有所发展或是发生改变。
    Frame 53280: 333 bytes on wire (2664 bits), 333 bytes captured (2664 bits) on interface 0
    Ethernet II, Src: aa:bb:cc:dd:ee:fe (aa:bb:cc:dd:ee:fe), Dst: WesternE_8f:c2:55 (00:21:f5:8f:c2:55)
    Internet Protocol Version 4, Src: 192.168.6.1, Dst: 192.168.6.19
    User Datagram Protocol, Src Port: 53, Dst Port: 60452
    Domain Name System (response)
    [Request In: 53277]
    [Time: 0.015842000 seconds]
    Transaction ID: 0x9913
    Flags: 0x8180 Standard query response, No error
    Questions: 1
    Answer RRs: 16
    Authority RRs: 0
    Additional RRs: 0
    Queries
    beacons2.gvt2.com: type A, class IN
    Answers
    beacons2.gvt2.com: type A, class IN, addr 172.217.17.35
    beacons2.gvt2.com: type A, class IN, addr 216.58.212.227
    beacons2.gvt2.com: type A, class IN, addr 216.58.212.131
    beacons2.gvt2.com: type A, class IN, addr 172.217.17.131
    beacons2.gvt2.com: type A, class IN, addr 216.58.212.195
    beacons2.gvt2.com: type A, class IN, addr 216.58.211.131
    beacons2.gvt2.com: type A, class IN, addr 172.217.22.163
    beacons2.gvt2.com: type A, class IN, addr 216.58.212.163
    beacons2.gvt2.com: type A, class IN, addr 172.217.17.99
    beacons2.gvt2.com: type A, class IN, addr 172.217.18.131
    beacons2.gvt2.com: type A, class IN, addr 216.58.209.131
    beacons2.gvt2.com: type A, class IN, addr 216.58.193.131
    beacons2.gvt2.com: type A, class IN, addr 172.217.1.131
    beacons2.gvt2.com: type A, class IN, addr 216.58.201.163
    beacons2.gvt2.com: type A, class IN, addr 216.58.209.99
    beacons2.gvt2.com: type A, class IN, addr 172.217.17.67
    8 条回复    2018-04-05 09:24:39 +08:00
    txydhr
        1
    txydhr  
       2018-03-13 00:17:02 +08:00
    我这儿就 1 个

    ;; OPT PSEUDOSECTION:
    ; EDNS: version: 0, flags:; udp: 4096
    ;; QUESTION SECTION:
    ;beacons2.gvt2.com. IN A

    ;; ANSWER SECTION:
    beacons2.gvt2.com. 176 IN A 216.58.213.163
    feng0vx
        2
    feng0vx  
    OP
       2018-03-13 00:37:52 +08:00 via Android
    @txydhr 你那个可能是 edns 搞的鬼
    mytsing520
        3
    mytsing520  
    PRO
       2018-03-13 01:14:19 +08:00
    名称: beacons2.gvt2.com
    Addresses: 2a00:1450:400e:800::2003
    216.58.212.227
    172.217.17.35
    172.217.17.67
    172.217.19.195
    172.217.20.99
    216.58.209.131
    216.58.211.131
    172.217.22.163
    216.58.212.131
    216.58.212.163
    172.217.17.99
    172.217.17.131
    216.58.211.99
    172.217.20.67
    216.58.212.195
    JsonLee
        4
    JsonLee  
       2018-03-13 08:41:23 +08:00 via iPhone
    有什么问题?
    zzq4343
        5
    zzq4343  
       2018-03-13 09:45:43 +08:00   3
    更牛的是,谷歌的 IP 最后一个数是有讲究的,比如 beacons2.gvt2.com 这个域名,IP 的最后一个数是 03, 23, 43, 63, 83, a3, c3, e3 (十六进制,以下用 03 表示;如果是 13, 33, 53, 73, 93, b3, d3, f3,用 13 表示),不仅 v4 如此,v6 也一样
    Google 主站:x.x.x.04 (除非返回多个 IP )
    YouTube:x.x.x.0e
    Google 地区域名:x.x.x.03
    ns[1-4].google.com:216.239.[32, 34, 36, 38].10
    Google User Content:x.x.x.01
    Android:x.x.x.0e
    ghs.google.com:x.x.x.13
    Blogger:x.x.x.09
    等等
    原来的 GGC IP 也是有规律的,可惜谷歌现在不把大多数服务解析到 GGC 了,但是应该还可以用
    feng0vx
        6
    feng0vx  
    OP
       2018-03-13 15:47:18 +08:00
    @zzq4343 这个更牛
    mytsing520
        7
    mytsing520  
    PRO
       2018-03-19 01:55:53 +08:00
    @zzq4343
    @feng0vx
    进行这样合理的设置后,Google 可以区分业务,并根据业务的不同开设不同的端口。
    holulu
        8
    holulu  
       2018-04-05 09:24:39 +08:00
    试试 dig coding.net 233
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