how to add domainsDnsZones in a single windows server 2012 R2

hi there,
im new in here, our company have 1 windows server 2012 r2 for:
ad, dhcp server, dns server, wsus, gpo

recently implemented new email server in our office hostname:
mail.alpha.com
(172.16.129.21) - local ip
(174.34.xx.xx) - public ip

our domain name bravo.intra (172.16.128.9)

my question one:
1. how can our local user access/ping mail.alpha.com by local ip 172.16.129.21...? our local user access/ping mail.alpha.com is going public ip.

hope guys can issue :)

best regards,
sinaga

hi,

primary  zone

when zone dns server hosts primary zone, dns server primary source information zone, , stores master copy of zone data in local file or in ad ds. when zone stored in file, default primary zone file named zone_name.dns , located in %windir%\system32\dns folder on server.

more information dns zone,  please refer following article:

https://technet.microsoft.com/en-us/library/cc771898(v=ws.11).aspx

best regards,
frank

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Windows Server  >  IPAM, DHCP, DNS