How to get cross certified domain name

Hi,

I am accessing one domain, how can I get all the domain name which is cross cerified with the other domain which I am Acessing.

For eg : I have domain1, domain2, domain3 which is cross certified. Currently I am accessing some server that reside on domain1. Using domian1 how can I get the Name of domain2 and domain3.

I need to populate all the Cross Certified domain name in the list.

Thanks

Praveen Kumar