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© 2009 Zero Intellect. All rights reserved. The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway. This material is not sponsored or endorsed by any of the vendors mentioned in this website and their Logos are trademarks of their own and their affiliates.

Google Public DNS

 

While I was looking for free public DNS servers the other day, I happened to come across the Google Public DNS. Reading the FAQ I gathered that it was not based upon BIND or NSD but was a proprietary DNS server written by Google.

When you connect to your ISP, most of the time you get an IP

Continue reading Google Public DNS

NSD DNS Server

 

Although BIND is the most popular domain name server software being used today, NSD (“name server daemon”) is another popular alternative open-source server program.

NSD is an authoritative name server (i.e., not implementing the recursive caching function by design) and uses BIND-style zone-files (zone-files used under BIND can usually be used unmodified in NSD, once entered into

Continue reading NSD DNS Server

BIND DNS Server

 

Domain Name Servers on the internet use various software to function, the most popular DNS server type on the internet is BIND, which stands for Berkeley Internet Name Domain. BIND is the predominant system on UNIX based systems. 

BIND was originally created at the University of California, Berkeley and is maintained today by the Internet Systems Consortium.

Continue reading BIND DNS Server

Nslookup command overview

 

Nslookup.exe (abbreviation for name server lookup) is a command line utility used for testing and troubleshooting DNS servers. It is built into Unix (including Linux and variants) and Windows. The main purpose of the utility is to query DNS servers to find DNS details, MX records for a domain, NS servers of a domain

In Windows, Nslookup.exe

Continue reading Nslookup command overview

IP Address and URL obscuring

 

We all know IP addresses to be of the form XX.XX.XX.XX where XX is an octet ranging from 1 to 255 (Although other rules apply as to what the value of XX could be depending on either of the four octets)

 

However, for users who want to obscure the actual IP address can do so by representing them in

Continue reading IP Address and URL obscuring