Update README.md

Author: bschaatsbergen

README.md

@@ -2,11 +2,14 @@
 
 zns is a command-line utility for querying DNS records, displaying them in a human-readable, colored format that includes type, name, TTL, and value.
 
+## Features
+
 * Supports various DNS record types
 * Colorized and tabular output for easy reading
 * Concurrent queries for improved performance
 * JSON output format for machine-readable results
 * Option to write output to a file
+* Option to query a specific DNS server
 
 ## Installing