Can nscd remember that a DNS server has failed and avoid querying it in RHEL?

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Issue

We had recently an issue with a DNS server failure caused a large outage, we are looking at ways to protect against this and develop some standards
If we introduce nscd does it have a concept of detecting a failed server and not using it for some time?

Environment

Red Hat Enterprise Linux (RHEL) 4, 5, 6

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