openwrt 使用自建的 DNS 服务器
- https://blog.csdn.net/weixin_41632560/article/details/89448612
- https://www.right.com.cn/forum/thread-4059633-1-1.html
- https://www.wunote.cn/article/3797/
- 安全的 DNS： https://alidns.com/knowledge?type=SETTING_DOCS#company_doh
- 自建内网 dns 服务器： coreDNS https://blog.csdn.net/wu_weijie/article/details/104781887
- DNS原理： https://cloud.tencent.com/developer/article/1618781
- openwrt dns 解析流程： https://blog.csdn.net/rsyp2008/article/details/45744229
- coreDNS