"How do i get whitelisted?" - it's NOT whitelisted. just install the mod correct and join. if u can't join u installed the mod wrong.
"what does Valar mean?" - Gods
"what is the IP?" - s4.minecraft-infinity.com:27323
"Why can't i join the website?" - because it's a free website and there can maximum be 50 members. you can first have an account when we pay for the website (we will first buy it when we get some donation money)
"what is the dimension of the map" - around 21000x20000
* why can't i connect to the server? -
you probably installed the mod wrong or is using a wrong version of Minecraft. or maybe you don't have a premium account for minecraft (one you paid for).