Setup tells me that I am running whois version 5.0.11-1, however, whois does not honor the --version option that it advertises:
$ type whois whois is hashed (/usr/bin/whois) $ whois --version whois: unknown option -- - Usage: whois [OPTION]... OBJECT... -l one level less specific lookup [RPSL only] -L find all Less specific matches -m find first level more specific matches -M find all More specific matches -c find the smallest match containing a mnt-irt attribute -x exact match [RPSL only] -d return DNS reverse delegation objects too [RPSL only] -i ATTR[,ATTR]... do an inverse lookup for specified ATTRibutes -T TYPE[,TYPE]... only look for objects of TYPE -K only primary keys are returned [RPSL only] -r turn off recursive lookups for contact information -R force to show local copy of the domain object even if it contains referral -a search all databases -s SOURCE[,SOURCE]... search the database from SOURCE -g SOURCE:FIRST-LAST find updates from SOURCE from serial FIRST to LAST -t TYPE request template for object of TYPE ('all' for a list) -v TYPE request verbose template for object of TYPE -q [version|sources|types] query specified server info [RPSL only] -F fast raw output (implies -r) -h HOST connect to server HOST -p PORT connect to PORT -H hide legal disclaimers --verbose explain what is being done --help display this help and exit --version output version information and exit $ --Ken Nellis