(basically add this to your /etc/hosts:
0.0.0.0 substitutes.nonguix.org (guix moe's substitutes is synced with nonguix so it basically, substitutes it (extra parentheses for no reason!)))0.0.0.0 substitutes.nonguix.org (guix moe's substitutes is synced with nonguix so it basically, substitutes it (extra parentheses for no reason!)))