DNS-Test :: Free dns checking tool script!

I a wrote a dns checking script perl in script (CGI available) which can perform various tests for dns including…

* Checking for Nameservers NS records
* Website IP address (A Record)
* NS records from parent servers (root server)
* Check for LAME nameservers (Authoritative nameservers)
* Check for Open DNS server
* Check for Zone Transfer (AXFR)
* Check for NS ips on same subnet
* Check for SOA record (with TTL, Referesh etc…)
* Check for Stealth Nameservers
* CNAME …

Perl Net DNS Tutorial for Querying DNS Servers

Perl is really a very powerful language when it comes to low level system programming requiring intensive processing. Perl Net::DNS library can be used to write powerful web applications involving DNS lookups and queries. Before you start this perl programming you want want to understand certain dns concepts and experiment with dig tool. I would recommend reading this Dig tutorial

In this tutorial i will show you how easy it is to write …

Using Dig tool for DNS lookups and Nameserver query

Dig tool in linux has become so important tool for querying dns servers and
fixing many dns related issues. I will show the easy way to use dig tool for
complex dns queries.

Lookup DNS Nameservers

Let us see what nameservers (NS records) are availale for the domain google.com.
The additional section automatically maps the corresponding NS records to their
IP address.

dig google.com NS

; <<>> DiG 9.2.4 <<>> google.com …

Install PEAR for php in Linux

It is very easy to install PEAR package for php. It lets you to install many many php extensions easily without compiling the source packages.

If you get

pear – command not found

then it means pear is not installed in your server. To install it just follow the steps below at the command prompt.

Download the installation php file from http://pear.php.net/go-pear.

wget http://pear.php.net/go-pear

Rename to php file

cp go-pear go-pear.php

Run the php script from commandline.

php go-pear.php

and you will see …

First thing to check when buying a digital camera!

Well! it may sound weird! Having owned many digital cams including of kodak and nikon i learnt a valuable lesson.

The Batteries! I am soon off to buying a good digital camera and the first thing i would check is for a battery that comes with lithium ion (like battery used in mobiles) and NOT the AA battery NiMH/Alkaline cells. I really hate those cells type and everytime those cells exhaust and …

The Bourne Conspiracy is a good action game for PS3 console

I really liked the game especially those melee hand fights are superb and this game is a very good mix of hand fights and shooting. I just completed the game yesterday and it can be completed with 12-15 hours of gameplay. The game graphics is amazing and the storyline is almost the same as the bourne identity movie. The car driving is so much fun and its a very …

Best fighting games for PS3

If you love fighting games in PS3 platform then i would recommend to buy the following games which are absolutely superb.

Street Fighter IV (superb)
Mortal Kombat vs DC Universe (Good)
Soulcalibur IV (Good)
Virtua Fighter 5 (Good)

and of course!

Fight Night Round 4 (my favorite)

Before buying a game do check for various reviews and screenshots as each of the games are different and playing styles suited to your liking. As per the pricing Virtua fighter 5 should …

Resident Evil 5 is great game for graphics!

Having played Resident Evil 5 (PS3 version) i must say that i am definitely “entertained”. This game though bit expensive compared to other PS3 games it gave me all the fun i wanted. The graphics for the game is really amazing along with story line. I completed the game in about ten days of time and the game has little extra gameplay time. If you are a gamer who likes a shooter game, …

I have always wondered how to detect faces automatically with php script. I have seen in many photo sharing and social network sites automatically detect a face and tag a name after being uploaded.

In this article, i will explain how possible this task can be achieved with simplicity with OpenCV and PHP Facedetect extension. Both are free to download and opensource.

Goal

To auto detect faces in a photo and draw pink box around the faces with a php script running a …

Shrink High Resolution Photo to small size for Upload

Nowadays sharing photos online has become so common among many people and most photos come out of camera device have huge file sizes because of more resolution and megapixel. The more the resolution and megapixel the larger the filesize. The fact is you wont even need the photos with the bigger size (> 4mb per photo). Imagine you have about 10 photos you need to upload and each photo is 3mb is …