Google DNS Servers in Global

Google DNS Servers
https://developers.google.com/speed/public-dns/docs/using#addresses
IPv4 DNS Servers
Primary DNS: 8.8.8.8
Secondary DNS: 8.8.4.4
IPv6 DNS Servers
Primary DNS: 2001:4860:4860::8888
Secondary DNS: 2001:4860:4860::8844

More DNS providers in Global

Cloudflare
Comodo Secure DNS
DNS.Watch
OpenDNS
Quad9