Problem with Server 2012

Just trying to add a user to my test lab but a DNS error but i thought every was correct the the DNS on the server is.150 on the client it looks at .150. but nothing and I try to ping it the DNS and nothing and i try the IP adress, it sees it but says "host unreachable"

looks like a quickly solvable problem, but we'll need a bit more information, and a detailed setup list.

The error was: "DNS name does not exist."
(error code 0x0000232B RCODE_NAME_ERROR)

The query was for the SRV record for _ldap._tcp.dc._msdcs.JRBIZAD.COM

Common causes of this error include the following:

- The DNS SRV records required to locate a AD DC for the domain are not registered in DNS. These records are registered with a DNS server automatically when a AD DC is added to a domain. They are updated by the AD DC at set intervals. This computer is configured to use DNS servers with the following IP addresses:

- One or more of the following zones do not include delegation to its child zone:

. (the root zone)