怎样用 Bind9 搭建 PublicDNS - V2EX
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GeekTest
V2EX    DNS

怎样用 Bind9 搭建 PublicDNS

  •  1
     
  •   GeekTest 2016-01-09 16:47:31 +08:00 5290 次点击
    这是一个创建于 3563 天前的主题,其中的信息可能已经有所发展或是发生改变。

    电信提供的 DNS 缺点

    • 缓存时间太长
    • 好多域名无法解析
    • 不存在的域名返回 so114 的 IP

    其他 PublicDNS 缺点

    • 服务器不在本地导致一些根据 IP 返回地址的 CDN DNS 服务器不能返回离客户端最近的 CDN IP (应该是这么说)

    我就想自建 PublicDNS 根据 DigitalOcean 的文档搭建好了
    但是使用 dig 解析和其他 dns 返回的结果不一样 (:3 」∠)

    15 条回复    2016-01-14 15:12:56 +08:00
    GeekTest
        1
    GeekTest  
    OP
       2016-01-09 16:51:24 +08:00
    AliPublicDNS 返回的
    `pi@raspberrypi:/etc $ dig @223.5.5.5 v2ex.com

    ; <<>> DiG 9.9.5-9+deb8u4-Raspbian <<>> @223.5.5.5 v2ex.com
    ; (1 server found)
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31451
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

    ;; QUESTION SECTION:
    ;v2ex.com. IN A

    ;; ANSWER SECTION:
    v2ex.com. 15 IN A 183.60.90.83
    v2ex.com. 15 IN A 59.173.16.210
    v2ex.com. 15 IN A 183.60.90.82
    v2ex.com. 15 IN A 180.96.71.148

    ;; Query time: 2185 msec
    ;; SERVER: 223.5.5.5#53(223.5.5.5)
    ;; WHEN: Sat Jan 09 06:51:11 UTC 2016
    ;; MSG SIZE rcvd: 90`
    GeekTest
        2
    GeekTest  
    OP
       2016-01-09 16:55:28 +08:00
    但是自建的 连域名 NS 记录也返回了
    pi@raspberrypi:/etc/bind $ dig @127.0.0.1 v2ex.com

    ; <<>> DiG 9.9.5-9+deb8u4-Raspbian <<>> @127.0.0.1 v2ex.com
    ; (1 server found)
    ;; global options: +cmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48962
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 4, ADDITIONAL: 2

    ;; OPT PSEUDOSECTION:
    ; EDNS: version: 0, flags:; udp: 4096
    ;; QUESTION SECTION:
    ;v2ex.com. IN A

    ;; ANSWER SECTION:
    v2ex.com. 600 IN A 180.96.71.148
    v2ex.com. 600 IN A 183.60.90.83
    v2ex.com. 600 IN A 183.60.90.82
    v2ex.com. 600 IN A 59.173.16.210

    ;; AUTHORITY SECTION:
    v2ex.com. 172796 IN NS ns-1546.awsdns-01.co.uk.
    v2ex.com. 172796 IN NS ns-1330.awsdns-38.org.
    v2ex.com. 172796 IN NS ns-940.awsdns-53.net.
    v2ex.com. 172796 IN NS ns-153.awsdns-19.com.

    ;; ADDITIONAL SECTION:
    ns-153.awsdns-19.com. 172796 IN A 205.251.192.153

    ;; Query time: 3652 msec
    ;; SERVER: 127.0.0.1#53(127.0.0.1)
    ;; WHEN: Sat Jan 09 06:54:56 UTC 2016
    ;; MSG SIZE rcvd: 254
    GeekTest
        3
    GeekTest  
    OP
       2016-01-09 19:23:09 +08:00
    配置文件
    named.conf:

    options {
    listen-on port 5553 { 127.0.0.1; };
    recursion yes;
    };
    zsj950618
        4
    zsj950618  
       2016-01-10 02:20:14 +08:00 via Android
    两个结果不是一样的吗→_→
    GeekTest
        5
    GeekTest  
    OP
       2016-01-10 08:10:14 +08:00 via Android
    @zsj950618 不一样啊←_←
    ryd994
        6
    ryd994  
       2016-01-10 12:14:43 +08:00 via Android
    你确定真的要 public 么? public DNS
    ryd994
        7
    ryd994  
       2016-01-10 12:14:58 +08:00 via Android
    public DNS 是超大的坑
    lenovo
        8
    lenovo  
       2016-01-11 04:58:27 +08:00
    可以试试 Unbound+DNSCrypt 的 LocalDNS 分流解析方案
    lenovo
        9
    lenovo  
       2016-01-11 04:58:56 +08:00
    ztrt
        10
    ztrt  
       2016-01-11 10:55:01 +08:00
    @lenovo 按步骤来并修改好了配置没生效解析不了: D:\Program Files\unbound>unbound-checkconf unbound.conf
    unbound-checkconf: no errors in unbound.conf

    D:\Program Files\unbound>unbound-control -c unbound.conf reload
    [1452480673] unbound-control[5780:0] error: connect: Connection refused. for ::1


    D:\Program Files\unbound>ipconfig /flushdns

    Windows IP 配置

    已成功刷新 DNS 解析缓存。
    这是什么情况。
    leonard916
        11
    leonard916  
       2016-01-11 12:11:43 +08:00
    问题在于 BIND 的性能表示 不能做大并发的递归 你本地使用当然没问题
    lenovo
        12
    lenovo  
       2016-01-11 17:15:02 +08:00
    r#10 @ztrt XP?现在已经很少没有安装 IPv6 协议的系统了啊
    unbound.conf 中把这两行注释或删除
    interface: ::1
    control-interface: ::1
    popu111
        13
    popu111  
       2016-01-11 21:37:50 +08:00 via Android
    总是只在 op 上 fq 用好多人是不是忘了 dnsmasq 也是个不错的自制 DNS 方案? rz
    ztrt
        14
    ztrt  
       2016-01-11 21:47:04 +08:00
    @lenovo 可以了 谢谢
    GeekTest
        15
    GeekTest  
    OP
       2016-01-14 15:12:56 +08:00
    @popu111 Dnsmasq 貌似只能转发吧
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