How to Async DNS Lookup in Apex - Code Snippet

// Task: Async DNS Lookup
// Language: Apex

public void async_dns_lookup() {
    // Implementation for Async DNS Lookup
    Object result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async DNS Lookup
    System.debug("Done");
}