Some IRCd's give different responses on a remote whois if the nick does not exist.


UnrealIRCd:

whois r4
:irc2.unrealircd.org 401 KindOne r4 :No such nick/channel
:irc2.unrealircd.org 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:irc2.unrealircd.org 402 KindOne r4 :No such server



Heavily? modified UnrealIRCd 3.2.6:

whois r4
:*.SwiftIRC.net 401 KindOne r4 :No such nick/channel
whois r4 r4
:*.SwiftIRC.net 401 KindOne r4 :No such nick/channel



InspIRCd:

whois r4
:bender.chatspike.net 401 KindOne r4 :No such nick/channel
:bender.chatspike.net 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:bender.chatspike.net 401 KindOne r4 :No such nick/channel
:bender.chatspike.net 318 KindOne r4 :End of /WHOIS list.



ircd-ratbox: (EFNet)

whois r4
:irc.servercentral.net 401 KindOne r4 :No such nick/channel
:irc.servercentral.net 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:irc.servercentral.net 402 KindOne r4 :No such server



charybdis: (fork of ircd-rabox)

whois r4
:Caprica.StaticBox.net 401 KindOne r4 :No such nick/channel
:Caprica.StaticBox.net 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:Caprica.StaticBox.net 402 KindOne r4 :No such server



ircd-seven: (fork of charybdis)

whois r4
:card.freenode.net 401 KindOne r4 :No such nick/channel
:card.freenode.net 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:card.freenode.net 402 KindOne r4 :No such server



bahamut:

whois r4
:laud.ix.us.dal.net 401 KindOne r4 :No such nick/channel
:laud.ix.us.dal.net 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:laud.ix.us.dal.net 402 KindOne r4 :No such server



u2.10.12.10+snircd(1.3.4a):

whois r4
:azubu.il.us.quakenet.org 401 KindOne r4 :No such nick
:azubu.il.us.quakenet.org 318 KindOne r4 :End of /WHOIS list.
whois r4 r4
:azubu.il.us.quakenet.org 401 KindOne r4 :No such nick
:azubu.il.us.quakenet.org 318 KindOne r4 :End of /WHOIS list.