Nevermind, I found my own answer.
I have another email server as the last touch for outbound emails that uses PowerMTA and wanted to impliment dkim. I'm using IspConfig for my DNS server.
I follow this wizard: http://www.port25.com/support/support_dkwz.php
and got my keys, and my records.
So when creating a TXT record in ISPConfig, I use the first portion of my Selector record: "key1._domainkey.domain.com" for the Hostname without the quotes and the second portion "k=rsa; p=MHwwDQYJKoZIha9cNAQ...VD612IBhJedo9Jjd9k4" for the Text without the quotes. The p= value has to be the whole line.
*Note - Ispconfig will not take 1024bit keys for DKIM because it was too long to put in. I had to use 768bit keys. There was another topic about this.