Repeating DNS error

I just began to manage a server for a client.  Every hour the server logs system errors involving the DNS server.  This goes on around 5 minutes and may include around 20 or so entries.  I'm not sure what the problem is.  Does anyone know what this is about?  (I've changed the company name to bozo.com in order to protect their anonymity):

Typical partial error sequence:

Registration of the DNS record '_ldap._tcp.bozo_noses.local. 600 IN SRV 0 100 389 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist

Registration of the DNS record '_ldap._tcp.Default-First-Site-Name._sites.bozo_noses.local. 600 IN SRV 0 100 389 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.  

Registration of the DNS record '_ldap._tcp.pdc._msdcs.bozo_noses.local. 600 IN SRV 0 100 389 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.

Registration of the DNS record '_ldap._tcp.gc._msdcs.bozo_noses.local. 600 IN SRV 0 100 3268 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.

Registration of the DNS record '_ldap._tcp.gc._msdcs.bozo_noses.local. 600 IN SRV 0 100 3268 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.

Registration of the DNS record '_ldap._tcp.ababdc20-0ee1-4af5-afa5-04584b037837.domains._msdcs.bozo_noses.local. 600 IN SRV 0 100 389 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.  

Registration of the DNS record 'b07930ea-b7f5-4621-8f63-8bd2faf583f1._msdcs.bozo_noses.local. 600 IN CNAME server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.  

Registration of the DNS record '_kerberos._tcp.dc._msdcs.bozo_noses.local. 600 IN SRV 0 100 88 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.

Registration of the DNS record '_kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.bozo_noses.local. 600 IN SRV 0 100 88 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.  

Registration of the DNS record '_ldap._tcp.dc._msdcs.bozo_noses.local. 600 IN SRV 0 100 389 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.

Registration of the DNS record '_ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.bozo_noses.local. 600 IN SRV 0 100 389 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.  

Registration of the DNS record '_kerberos._tcp.bozo_noses.local. 600 IN SRV 0 100 88 server001.bozo_noses.local.' failed with the following error:
DNS name does not exist.  

Any suggestions will be appreciated!