DNS - secondary / backup entry - when is this used?
Hi
Question about DNS. My colleage says that the secondary DNS is only ever used if the primary DNS is completely unavailable. Therefore if the irst is available but cannot resolve the DNS query the secondary server is not used.
However I was of the belief that if the first DNS server could not resolve the particular query then the secondy DNS would also be checked to see if it could resolve the query.
Which version is correct?
Many thanks.
Question about DNS. My colleage says that the secondary DNS is only ever used if the primary DNS is completely unavailable. Therefore if the irst is available but cannot resolve the DNS query the secondary server is not used.
However I was of the belief that if the first DNS server could not resolve the particular query then the secondy DNS would also be checked to see if it could resolve the query.
Which version is correct?
Many thanks.
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Excellent input and well explained. Many thanks.
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e.g
192.168.10.254
8.8.8.8
and you put this on a workstation. Lets say the server at thr first IP is only resolving local DNS, I always though the secondary would allos the workstation still to get out on the internet?