Important addresses:

IRC address: ircs://irc.madirc.net
WebIRC address: https://webclient.madirc.net
Mumble address: https://mumble.madirc.net
Bouncer address: https://stayat.madirc.net
Tor address: http://qj3m7wxqk4pfqwob.onion
Statistics: https://stats.madirc.net
Status: https://status.madirc.net

The maybe most confusing IRC network ever.