Local DNS cache with pdnsd. Uses DHCP configured DNS with fallback on Google DNS

README.md

1. Installation

   $ sudo pacman -Sy
   $ sudo pacman -S pdnsd

2. Configure pdnsd

   $ sudo vi /etc/resolvconf.conf
   $ sudo vi /etc/pdnsd.conf
   $ sudo resolvconf -u

3. Start and enable on boot

   $ sudo systemctl start pdnsd
   $ sudo systemctl enable pdnsd

pdnsd.conf

global {
    perm_cache=1024;
    cache_dir="/var/cache/pdnsd";
#   pid_file = /var/run/pdnsd.pid;
    run_as="pdnsd";
    server_ip = 127.0.0.1;  # Use eth0 here if you want to allow other
                            # machines on your network to query pdnsd.
    status_ctl = on;
#   paranoid=on;       # This option reduces the chance of cache poisoning
                       # but may make pdnsd less efficient, unfortunately.
    query_method=udp_tcp;
    min_ttl=15m;       # Retain cached entries at least 15 minutes.
    max_ttl=1w;        # One week.
    timeout=10;        # Global timeout option (10 seconds).
    neg_domain_pol=on;
    udpbufsize=1024;   # Upper limit on the size of UDP messages.
}

server {
    label=resolvconf;
    file=/etc/pdnsd-resolv.conf;
    proxy_only=on;
    timeout=4;
    uptest=if;
    interface=wlp2s0;
    interval=10;
    purge_cache=off;
#   edns_query=yes;
    preset=off;
}

resolvconf.conf

# Configuration for resolvconf(8)                                                                                                                                                                                                                                                                                              
# See resolvconf.conf(5) for details

resolv_conf=/etc/resolv.conf
# If you run a local name server, you should uncomment the below line and
# configure your subscribers configuration files below.
name_servers=127.0.0.1
name_servers_append=8.8.8.8
pdnsd_resolv=/etc/pdnsd-resolv.conf