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NIOS DNS RESOLUTION ORDER

jair
Techie
Posts: 6
475     0

Hi guys,

If I have configured stub zones, forward zones and root hints, what is the search order used by NIOS?
And, if the response received is NX domain, NIOS stop trying other options?
Thanks in advance

Re: NIOS DNS RESOLUTION ORDER

[ Edited ]
Adviser
Posts: 64
476     0

I believe the most specific match will win.  Let's look at an example.

 

company.com - authoritative zone on Infoblox

ad.company.com - forward or delegation zone to Active Directory

lab.ad.company.com - stub or forward zone to some lab DNS server

 

If a query for test1.lab.ad.company.com, the query would be forward to the lab DNS server.

 

If a query for test2.ad.company.com comes in, it'll be forward to AD DNS.

 

If a query for test3.company.com comes in, it'll be resolved by the Infoblox authoritative DNS server.

 

If a query comes in and does not match company.com or any other local zone, that is when the root hits or forward would be used.

 

Don't forget, there's a checkbox in a forward zone:  Use Forwarders Only.  Use this if the servers will service the entire subdomain. (as I understand it)

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