When a nameserver in resolv.conf doesn't know about a host, can the system fail over to another nameserver?

Solution Verified - Updated -

Issue

  • We have multiple DNS servers on our network and 3 of them are configured in a RHEL system's /etc/resolv.conf file, e.g.:

    nameserver 10.0.0.1  # handles queries for some internal zones
    nameserver 10.0.0.2  # handles queries for zones that .1 nameserver doesn't know about
    nameserver 10.0.0.3  # handles queries out to the global internet
    

    This doesn't work at all. Is there any way that resolv.conf can be configured such that when a nameserver doesn't know about a host, the system can fail over to another nameserver?

Environment

  • Red Hat Enterprise Linux

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