Choose Best Nameservers with Netselect

netselect -s 8 \
4.2.2.1 4.2.2.2 4.2.2.3 4.2.2.4 4.2.2.5 4.2.2.6 \
8.8.8.8 8.8.4.4 \
156.154.70.1 56.154.71.1 \
209.244.0.3 209.244.0.4 \
74.82.42.42 \
| tr -s ' ' | cut -d ' ' -f 3 | sed 's/^/nameserver /' > /etc/resolv.conf && cat /etc/resolv.conf