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Old 02-24-2005, 02:52 AM   #1
Registered: Sep 2004
Posts: 37

Rep: Reputation: 15
Troubleshooting DNS

I have a Redhat server hosting several sites and one or two of the sites are not pulling up by name (host could not be found), only by ip address;

here is what i tried so far:

checked httpd.conf (i know this wasn't necessary but hey u never know)
went to /etc/rc.d and checked the ips file for ip address (it is listed)

ran ./, tried binding and unbinding the ip address, but to no avail.

the zone file is fine as well.

I did a whois on the website, that worked out fine as well.

Is there anything else that I missed that would prevent a website from coming up by name?
Old 02-24-2005, 03:29 AM   #2
Registered: Feb 2004
Posts: 273

Rep: Reputation: 30
Is the name server properly registered for your domain? If not then you need to correct it through your registrar.

Here's some info that you can use to debug.

Pick a machine connected to the internet away from your server (not on the same net)

>set type=ns

This should give your the nameserver that you've registered for that domain. If incorrect then you would need to change that.

>set type=A

This will give you the IP address(es) that this domain will resolve to.

What happens when you type "nslookup"? If yu're trying from the server then check your /etc/resolv.conf.

Changes to registry take 24-48 hrs.


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