Public DNS Systems

	A	B	C	D	E	F	G	H	I
1	Provider	DNS1	DNS2	DNS3	DNS4	DNS5	DNS6	Notes	Link
2	Google	8.8.8.8	8.8.4.4						https://developers.google.com/speed/public-dns
3	OpenDNS	208.67.222.222	208.67.220.220						https://www.opendns.com/setupguide/
4	DNS Watch	84.200.69.80	84.200.70.40						https://dns.watch/
5	Verisign	64.6.64.6	64.6.65.6						https://www.verisign.com/en_IN/security-services/public-dns/index.xhtml
6	AdGuard	176.103.130.130	176.103.130.131					Default - protection from Ads etc.	https://adguard.com/en/adguard-dns/overview.html
7	AdGuard	176.103.130.132	176.103.130.134					Family Protection - suitable for children
8	AdGuard	176.103.130.136	176.103.130.137					No protection, just DNS
9	Alternate DNS	23.253.163.53	198.101.242.72					Ad blocking	https://alternate-dns.com
10	Cloudflare	1.1.1.1							https://www.cloudflare.com/learning/dns/what-is-1.1.1.1
11	MarkosWeb	208.76.50.50	208.76.51.51						https://www.markosweb.com/free-dns/
12	OpenNIC	91.217.137.37	172.104.136.243						https://servers.opennic.org/
13	Level3	4.2.2.1	4.2.2.2	4.2.2.3	4.2.2.4	4.2.2.5	4.2.2.6	Meant only for Level3 customers, but works outside too.
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