require 'eth'

client = Eth::Client.create "https://YOUR_QUICKNODE_ENDPOINT_HERE.com"

payload = {
    "id":1,
    "jsonrpc":"2.0",
    "method":"qn_resolveENS",
    "params": [{"address":"vitalik.eth", "coinSymbols":["ETH"]}]
}

response = client.send(payload.to_json)
puts response

const ethers = require("ethers");
(async () : {
  const provider = new ethers.providers.JsonRpcProvider("https://YOUR_QUICKNODE_ENDPOINT_HERE.com");
  const network = await provider.send(
    "qn_resolveENS",
    [{"address":"vitalik.eth", "coinSymbols":["ETH"]}]
  );
  console.log(network);
})();

curl https://YOUR_QUICKNODE_ENDPOINT_HERE.com \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"method":"qn_resolveENS","params": [{"address":"vitalik.eth", "coinSymbols":["ETH"]}],"id":1,"jsonrpc":"2.0"}'