UDP port 53 - For queries

C:\Windows\systems32\dns\cache.dns = Root hints

kb249868

TCP 53 - For zone transfers (secondary copy).

dnscmd /clearcache

nslookup

set type=ns

google.com

dnscmd /zoneexport <zone> <exportfile>

dnscmd /createdirectorypartition app1.domain.local

dnscmd /enumdirectorypartitions

dnscmd dnsserver1 /enlistdirectorypartition app1.domain.local

dnscmd /deletedirectorypartition app1.domain.local

dnscmd /config /globalnamessupport 1

dnscmd dnsserver1.domain.local /recordadd globalnames server3 cname server3.domain.local