THE guide to properly setting up relays is this one from nostr:nprofile1qy88wumn8ghj7mn0wvhxcmmv9uq3qamnwvaz7tmwdaehgu3wd4hk6tcpz9mhxue69uhkummnw3ezuamfdejj7qghwaehxw309amxjar0wghxummnw3erztnrdakj7qpqgcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqyw43nv , assuming you are using a client like Amethyst that allows you to set up all these various types of relays:
nostr:note1fsdpzetk474478euflyuj3ssqgcp0xeljj630459g7mn5gt68nxsmws3gg
Give that a read for starters.
We definitely need a good relay index with descriptions of what the relays are trying to accomplish...