Suspicious DNS entry? (was: Re: Cron <root at linode01> /root/bin/send_stats.sh)

[Dave Neary]

Hi,

On 11/20/2013 03:00 AM, Cron Daemon wrote:
> Address 31.15.26.3 maps to lists.ovirt.org, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!

..
> Address 31.15.26.3 maps to lists.ovirt.org, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!

etc

Should we be worried about this error?

Cheers,
Dave.

-- 
Dave Neary - Community Action and Impact
Open Source and Standards, Red Hat - http://community.redhat.com
Ph: +33 9 50 71 55 62 / Cell: +33 6 77 01 92 13