"nslookup" or "host" command do not always return, especially when one DNS server in /etc/resolv.conf is unreachable

Solution Verified - Updated -

Issue

  • When executing a host or nslookup, the command doesn't always return, especially when one of the DNS servers specified in /etc/resolv.conf is not responding

    $ host somehost
[...]
^C

Environment

  • Red Hat Enterprise Linux 7 and 8
    • bind-utils-9.11

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