DNS server dies completely!

N

newlinuxnewbie

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Joined
Oct 28, 2005
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5
I can't ping any of the sites on my server, the DNS server died completely! All records are correct, the sites have been working for several months, then suddenly the sites can't resolve. None of the sites I am hosting can be pinged. Sometimes after a few hours, it starts working again and dies again in 2-3 hours. I tried restarting named and that doesn't work.

What's wrong?
 
Does the named service actually go down and stop working? (is named still running when sites are not accessible).

Do the logs contain any clues as to why named is failing?
 
named is still running but all the sites on the server can't be pinged, sometimes after a few hours, it starts working again. My host doesn't know the exact issue but said some files in /etc/sysconfig/network scripts are missing. But why does it starts working again after a few hours? It's done this a couple times already within the same day.
 
If DNS is down, DA will attempt to restart it.

So somehow whatever is causing it to not run is resolving itself, or getting resolved, after a few hours.

Have you tried tailing the log while attempting to restart DNS:

# tail -f /var/log/messages

Jeff
 
DNS is not down, it is still running. But none of the sites can resolve, and there's nothing in the logs. The past 10 hours the sites have been resolving, but I still need to figure out what's causing the problem.
 
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