a shortstop handler to look up all DNS A and AAAA records
npm install shortstop-dnsA shortstop handler to resolve all A and/or AAAA records.
Initializer takes an Object {family = 4, all = true }.
Takes an address (String), and a callback (function). callback called with err (Error|null), addresses (null|Array|string).
addresses will be null if err, will be an Array if all: true, or a string if all: false.