One Nameserver for all my servers

Question

How can I set One nameserver only (ns1.mydomain .com & ns2.mydomain .com) for all my servers?  
Real Example: Bluehost company (Check screenshot: https://prnt.sc/osfnog)  
  
I would like to use Load Balancer for all my servers to allow all my clients to point their websites to my servers via one nameserver only then my Load Balancer redirect them to each server (Check screenshot: https://prnt.sc/osfo5y).  
  
Note: I have some servers in AWS EC2 and other servers outside AWS, and I need to use One nameserver only for all my servers!

Accepted Answer

Having a single nameserver generally is not something you would want to do, and not something that ISPs recommend.  It means that when your website is being queried, only a single server would serve up the underlying dns information: If that server went down, your systems would not be availalbe to end users trying to get to your website.    
  
It seems like what you want to do is have your clients put in a CNAME record for their website to point to the DNS name of your load balancer.  the load balancer would then be responsible for distributing traffic to the underlying EC2 or non-EC2 environments.

One Nameserver for all my servers

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