host [-aCdlnrTwv ] [-c class ] [-N ndots ] [-R number ] [-t type ] [-W wait ] name [server ] -v verbose format -t (query type) Allows a user to specify a record type i.e. A, NS, or PTR. -a Same as –t ANY. -l Zone transfer (if allowed). -f Save to a specified filename.
whois-h Use the named host to resolve the query -a Use ARIN to resolve the query -r Use RIPE to resolve the query -p Use APNIC to resolve the query -Q Perform a quick lookup