ip-reverser

Reverses IP address to format used by PTR/reverse records and DNSBL

Usage

const ipReverser = require("ip-reverser");

function dnsNameGen(x) {
  return ipReverser(x, "ipv4", "ipv6");
}

console.log(dnsNameGen("1.1.1.1"));
console.log(dnsNameGen("2606:4700:4700::1111"));

See test.js for more details.