Mail MX & Other records views link and other help full command

http://www.google.com/support/a/bin/answer.py?hl=en&answer=61369

http://old.openspf.org/wizard.html?mydomain=moneyvidya.com&submit=Go!

http://www.mxtoolbox.com/index.aspx

http://www.blacklistalert.org/

http://network-tools.com/default.asp

http://network-tools.com/default.asp?prog=dnsrec&host=

http://network-tools.com/default.asp

For see How much connection

ps -ef|grep -c http

ps -ef|grep -c ftp

ps -ef|grep -c mysql

netstat -n | wc -l

Java Bridge configration

./configure --with-java=/usr/java/jdk1.5.0_13,/usr/java/jdk1.5.0_13/jre --with-php-config=/usr/local/shri/php/bin/php-config

Find large hits from which IP awk '{print $1}' /var/log/httpd/access filename| sort | uniq -c | sort -n | tail -20

select * from table name limit 1;

netstat -n | wc -l