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Thanks for you help, I will make sure that the records in both servers are the same.
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Thanks for you help, I will make sure that the records in both servers are the same.

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 Let's say I have a domain called example.com. In that domain I have two NS records: internaldns.example.com and externaldns.example.com. I also have A-records that specify the IP addresses for these servers.<br />
<br />
But let's say my Name Server internaldns (which is the 1st NS record) contains the following A records:<br />
database.example.com<br />
files.example.com<br />
<br />
Now my other Name Server (externaldns, the 2nd NS record) only contains the following A records:<br />
website.example.com<br />
ftp . example.com<br />
<br />
Now when someone would enter the URL 'website.example.com', does it first query my first Name Server (internaldns) and then the other Name Server (externaldns), or does it immediately fail if it can't find the requested name on the first server?<br />

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 Let's say I have a domain called example.com. In that domain I have two NS records: internaldns.example.com and externaldns.example.com. I also have A-records that specify the IP addresses for these servers.

But let's say my Name Server internaldns (which is the 1st NS record) contains the following A records:
database.example.com
files.example.com

Now my other Name Server (externaldns, the 2nd NS record) only contains the following A records:
website.example.com
ftp . example.com

Now when someone would enter the URL 'website.example.com', does it first query my first Name Server (internaldns) and then the other Name Server (externaldns), or does it immediately fail if it can't find the requested name on the first server?


using NS servers with different records

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.