The man pages describe pdnsd as a dns proxy daemon capable of saving the contents of its DNS cache to the disk on exit. The Install wget http://li.nux.ro/download/nux/misc/el6/x86_64/pdnsd-1.2.9a-par.x86_64.rpm yum install pdnsd-1.2.9a-par.x86_64.rpm cp /etc/pdnsd.conf.sample /etc/pdnsd.conf Edit the /etc/pdnsd.conf file.  Under server, change the ip value to your DNS server. server { label= “myisp”; ip = 192.168.1.1,8.8.8.8; # Put your ISP’s DNS-server…