自建DNS服务器：bind-dns配置与使用-优快云博客

本文介绍了为何要自建DNS服务器，并详细阐述了使用bind-dns进行安装、配置文件编辑、权限设置以及如何添加Harbor解析的过程。在实际操作中，需要注意Harbor端口81的特殊解析问题，可通过曲线救国的方法，如利用nginx进行域名解析。当遇到DNS解析问题时，提供了排查方法。

bind-dns搭建

为啥要自己搭建dns

为啥要自己搭建dns

好玩儿学习方便用

安装

yum解决

yum install -y bind bind-utils

配置文件

/etc/named.conf

//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
// See the BIND Administrator's Reference Manual (ARM) for details about the
// configuration located in /usr/share/doc/bind-{
   
   version}/Bv9ARM.html

options {
   
   
	listen-on port 53 {
   
    110.120.119.80; };   #自己的dnsip地址
	listen-on-v6 port 53 {
   
    ::1; };
	directory 	"/var/named";
	dump-file 	"/var/named/data/cache_dump.db";
	statistics-file "/var/named/data/named_stats.txt";
	memstatistics-file "/var/named/data/named_mem_stats.txt";
	recursing-file  "/var/named/data/named.recursing";
	secroots-file   "/var/named/data/named.secroots";
	allow-query     {
   
    any; };
        forwarders      {
   
    110.120.119.2; }; #网关

	/* 
	 - If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.
	 - If you are building a RECURSIVE (caching) DNS server, you need to enable 
	   recursion. 
	 - If your recursive DNS server has a public IP address, you MUST enable access 
	   control to limit queries to your legitimate users. Failing to do so will
	   cause your server to become part of large s