DNS2 min read
How does reverse DNS work?
Reverse DNS turns an IP address into a name. How the PTR record works, who controls it and why mail servers care.
Reverse DNS turns an IP address into a name. How the PTR record works, who controls it and why mail servers care.
From typing a name to getting an address: resolvers, root servers, TLDs, caching and TTLs, in plain language.