We are experiencing a weird issue for the past week or two.
We run bind9 on RHEL/CentOS and one of our international offices that has their
own auth and caching servers cannot resolve lenovo.com for some odd reason. If
that office clients use google DNS it works but using their own DNS caching
servers, it cant resolve. Commands dig and nslookup give a timeout. Although
dig with trace is able to get to the final answer. Nothing in the logs indicate
an issue. Also, this is the only address that cant resolve, everything else
We've contacted the ISP to make sure nothing is being blocked or anything, and
thats all clear. The network team has confirmed they haven't done anything on
the edge devices or any firewall rule modifications which can cause it.
Any ideas please???
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