I wonder if I can draw on some of you lots collective brain power, I'm sure this is easy but I cant for the life of me figure it out. I have an external domain which hosts our website (company.co.uk for instance), there is also a subdomain (app.company.co.uk) which is hosted internally. Now our internal users cannot view the internally hosted website site because of the circular action the resolving is taking. I would like them to resolve the sub domain directly to the internal ip of the server but cannot quite get it working correctly. I have set up a forward zone in dns called App.company.co.uk and so far theres an A record (manually created pointing to the internal web server) and 2 ns records. so pinging app.company.co.uk resolves to internal IP correctly. However because our site is published such as http://app.company.co.uk pinging this still resolves to the external ip and I cant figure out how to get it resolving internally. I cannot set up a zone for http://company.co.uk so any pointers would be most gratefully received.