公共免费dns能提高网速吗?实测6大服务商结果意外!实测揭秘,公共免费DNS对网速提升效果如何
Can public free dns improve Internet speed? The actual test results of 6 major service providers were unexpected! Real test reveals: How effective is public free DNS in improving Internet speed
以上为机器翻译结果，长、整句建议使用 人工翻译 。