Na maioria dos clientes, você pode digitar '/ quote version' ou apenas '/ version' e ele consultará o servidor, que por padrão na maioria dos IRCds responderá com a informação, como:
-> Odd server stuff: "351 InspIRCd-1.2 hub.yourdomain.com :FreeBSD hub.yourdomain.com 6
.2-RELEASE (InspIRCd-1.2.1) [FLAGS=0,kqueue,196]" (hub.yourdomain.com)
005 WALLCHOPS WALLVOICES MODES=19 CHANTYPES=# PREFIX=(ohv)@%+ MAP
MAXCHANNELS=20 MAXBANS=60 VBANLIST NICKLEN=31 CASEMAPPING=rfc1459
STATUSMSG=@%+ CHARSET=ascii : are supported by this server
005 TOPICLEN=307 KICKLEN=255 MAXTARGETS=19 AWAYLEN=200 CHANMODES=b,k,l,
BMNRcimnprstz FNC NETWORK=hubns MAXPARA=32 ELIST=MU EXTBAN=,MRNcB SAFELIST
SECURELIST SSL=204.14.231.5:6697 :are supported by this server
005 STARTTLS USERIP : are supported by this server