The idea behind running BIND in a chroot jail is to limit the amount of access any malicious individual could gain by exploiting vulnerabilities in BIND. It is for the same reason that we run BIND as a non-root user. This should be considered as a...
Information Centers / Site Reference / Solaris DNS / Sticky posts
by Ramdev · Published September 1, 2015 · Last modified September 19, 2019
Read – How DNS Name Resolution works Read – chroot the BIND DNS server Read – TTL settings on DNS Read – Checking DNS settings to troubleshoot sendmail Read – Types of DNS Servers Read – configure forward DNS server, to send queries to external server...
Blog for Unix Admin / Solaris Admin / Solaris DNS / Solaris Networking
by Ramdev · Published February 2, 2012 · Last modified July 2, 2015
In this post we will discuss about the commands to check DNS configuration and functions for sendmail. Follow these steps to: ensure dns client configuration is in place and enabled; verify mail exchanger lookups are successful (if using DNS for mail exchanger lookups). To resolve error...
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published December 10, 2011 · Last modified July 2, 2015
In this post, I’m just trying to travel with the server to know how it resolves a hostname using the DNS name resolution.
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published October 24, 2011 · Last modified July 2, 2015
Sometimes DNS generates the following error: No default TTL set using SOA minimum instead.
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published June 22, 2011 · Last modified July 2, 2015
Sometime, we do see below error message from NS generates the following error: No default TTL set using SOA minimum instead. Understanding TTL will help us troubleshoot the issue related it. I hope below information will help you to understand about TTL
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published June 22, 2011 · Last modified July 2, 2015
In this post we will discuss about the commands to check DNS configuration and functions for sendmail. Follow these steps to: ensure dns client configuration is in place and enabled; verify mail exchanger lookups are successful (if using DNS for mail exchanger lookups). To resolve error...
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published June 22, 2011 · Last modified July 2, 2015
1. Root Servers: Root servers are positioned at the top or root of the DNS hierarchy, and maintain data about each of the top-level zones. The root servers are maintained by the NIC and have been moved to a common domain for consistent naming purposes. The...
If you have an internal domain and an internal name server which has only local hosts. He wants these clients’ requests to be forwarded to the outside nameserver if the local server doesn’t have that information. This can be done on the internal name server by...
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published June 18, 2011 · Last modified July 23, 2016
To verify that nscd is running at any time, run:
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