anchors/dns/root-servers.net.zone.do

   1 wget -O $3.gz https://www.internic.net/zones/root-servers.net.zone.gz
   2 wget -O $3.gz.sig https://www.internic.net/zones/root-servers.net.zone.gz.sig
   3 gpg --keyring ~/work/keyrings/all.kbx --verify $3.gz.sig
   4 rm $3.gz.sig
   5 gunzip $3.gz