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Oracle Linux: DNS Queries Not Sent to All Name Servers Defined in /etc/resolv.conf (Doc ID 2860152.1)

Last updated on APRIL 10, 2022

Applies to:

Linux OS - Version Oracle Linux 6.10 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64


 There are two DNS Servers defined in  "/etc/resolv.conf" but from the DNS traffic it can be seen  that the query is sent to only one server.

 An Oracle Linux (OL) system is configured to use multiple Domain Name Servers (DNS) e.g.:

Network traffic inspection identifies that DNS traffic is only ever sent to the first listed name server.


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