Why is my RHEL7 server communicating to root DNS directly and not routed through internal DNS
Issue
- RHEL7 server communicating to root DNS directly and not routed through internal DNS.
- In logs could only find DNSSEC validation related messages in servers at reported time.
[root@xyz ~]# cat /var/log/messages| grep 00:00
Mar 6 00:00:02 xyz systemd[1]: Stopping User Slice of root.
Mar 6 00:00:02 xyz systemd: Stopping User Slice of root.
Mar 6 00:00:20 xyz systemd[1]: Started update of the root trust anchor for DNSSEC validation in unbound.
Mar 6 00:00:20 xyz systemd: Started update of the root trust anchor for DNSSEC validation in unbound.
Mar 7 00:00:01 xyz systemd[1]: Starting update of the root trust anchor for DNSSEC validation in unbound...
Mar 7 00:00:01 xyz systemd: Starting update of the root trust anchor for DNSSEC validation in unbound...
Environment
- Red Hat Enterprise Linux 7
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