This PR makes the helper method dname_from_addr for creating the query name for a reverse pointer query public as an associated function on Dname. It also improves the IPv4 version by avoiding the FromStr impl and creating the domain name more properly.
This PR makes the helper method
dname_from_addrfor creating the query name for a reverse pointer query public as an associated function onDname. It also improves the IPv4 version by avoiding theFromStrimpl and creating the domain name more properly.Fixes #218.