Install
yum install sos |
Run sosreport
sosreport |
Case number will be part of exported report located in /var/tmp.
cd /var/tmp |
troubleshoot
Troubleshoot Nameservers with Dig
Here’s how to troubleshoot nameservers with dig.
dig hostname dig domain.com |
To test a specific nameserver.
dig @nameserver hostname dig @nameserver ip-address |
Other options.
dig hostname.domain.com +short dig hostname.domain.com +noall +answer dig @nameserver MX domain.com dig @nameserver AAAA domain.com |