Google Public DNS

DNS.LA-综合网络服务提供商，网络云产品服务商，全栈自研智能dns云解析产品，完全自主知识产权，涵盖智能DNS解析、SSL证书、域名注册、DNS加速等产品服务，安全、高效、简单易用的网络服务与产品平台。

All in one. All you need. Launch your website, ideas, and future with a digital platform built to provide and connect the domains, hosting, email, and web tools you need, and to put you in total control. Bundles of choice Not sure what you need? Just select and buy your domain and you’ll get product bundle recommendations during the purchase process – easy.

百度公共DNS服务和云解析服务产品特性以及使用说明

Dyn (Oracle)

公共DNS 免费DNS 稳定DNS 基础服务 阿里巴巴

Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.

ClouDNS provides Free DNS, Cloud DNS, Managed DNS, GeoDNS and DDoS Protected DNS hosting with included web redirects, mail forwards and Round-Robin load balancing. Instant updates in Europe, North and South America, Asia and Australia.

A public and free DNS service for a better security and privacy