I have four Windows 2008R2 DC’s and one Windows 2012 DC. All are DNS servers and GC’s, and all DNS in the domain is AD-integrated on these five servers. If I do nslookup at a command prompt and enter (for example) “desktop.mycompany.co.uk” when the focus is one of my servers the correct response is returned: server myserver.mycompany.co.uk [correct name of DNS Server] Address: p.q.r.s [correct …