Host
From wikinotes
tool to perform a dns query
Usage
host google.com # DNS query for google.com host google.com 8.8.8.8 # DNS query using 8.8.8.8 as nameserver
tool to perform a dns query
host google.com # DNS query for google.com host google.com 8.8.8.8 # DNS query using 8.8.8.8 as nameserver