Which is the fastest private dns

[aakash__r_k]

Can anyone provide fast dns server name 

[animeshmodi]

dns.adguard.com

[RαʝҽʂԋKυɱαɾ21]

CLOUDFLARE AND GOOGLE'S NON PUBLIC DNS

[aakash__r_k]

What happens if we set it to automatic

[RαʝҽʂԋKυɱαɾ21]

May it's give low speed and less security for browsing
specific dns have specific speeds

OpenDNS and Cloudflare advisable

[sanu2k]

Cloudflare is the best