PDNSCONF_ALLOW_AXFR_IPS: restrict zonetransfers to originate from these IP addresses. Enter your slave IPs here. (Default: "127.0.0.1", Possible Values: "IPs comma seperated")
PDNSCONF_MASTER: act as master (Default: "yes", Possible Values: "yes, no")
PDNSCONF_SLAVE: act as slave (Default: "no", Possible Values: "yes, no")
PDNSCONF_CACHE_TTL: Seconds to store packets in the PacketCache (Default: "20", Possible Values: "")
PDNSCONF_DISTRIBUTOR_THREADS: Default number of Distributor (backend) threads to start (Default: "3", Possible Values: "")
PDNSCONF_RECURSIVE_CACHE_TTL: Seconds to store packets in the PacketCache (Default: "10", Possible Values: "")
PDNSCONF_RECURSOR: If recursion is desired, IP address of a recursing nameserver (Default: "no", Possible Values: "yes, no")
PDNSCONF_ALLOW_RECURSION: List of subnets that are allowed to recurse (Default: "127.0.0.1", Possible Values: "")