Changing / add hostnames to cookie

Hi all,

i have changed the hostname in the tracking JS for some domains: e.g. Piwik installation is on piwik is on and i changed the hostname to: .

There is one DNS-request less than before (google liked it).

The only problem is the blocking cookie in the settings. it has the original hostname (

Is there any possibility to have more than one blocking cookie with different hostnames?

thx in advance