Should I be concerned about Google indexing an old domain if the listings redirect to the new domain?

[352inc]

I noticed this about Moz's old domain SEOMoz.org. If the URLs from the old domain are redirecting, is there any reason to be concerned about an old domain still appearing to be indexed by Google?

See here: https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=site%3Aseomoz.org

Links to seomoz.org are listed, but if you click them they redirect to moz.com. Is this anything to be concerned about or is everything operating as expected?

[Ray-pp]

Everything is to be as expected - in time Google will adjust appropriately and drop the old domains from the index to include the newest domains (which are 301'ed to the new URL).