def update_dns_server(self, service_name, deployment_name, dns_server_name, address):
_validate_not_none('<STR_LIT>', service_name)<EOL>_validate_not_none('<STR_LIT>', deployment_name)<EOL>_validate_not_none('<STR_LIT>', dns_server_name)<EOL>_validate_not_none('<STR_LIT:address>', address)<EOL>return self._perform_put(<EOL>self._get_dns_server_path(service_name,<EOL>deployment_name,<EOL>dns_server_name),<EOL>_XmlSerializer.dns_server_to_xml(dns_server_name, address),<EOL>as_async=True)<EOL>
Updates the ip address of a DNS server.

service_name:
    The name of the service.
deployment_name:
    The name of the deployment.
dns_server_name:
    Specifies the name of the DNS server.
address:
    Specifies the IP address of the DNS server.