cPanel Admins » DNS http://www.cpaneladmins.com Random Notes for cPanel Admins Wed, 08 Sep 2010 10:15:24 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 How to Increase the Serial Number For All DNS Zones http://www.cpaneladmins.com/2010/07/29/how-to-increase-the-serial-number-for-all-dns-zones/ http://www.cpaneladmins.com/2010/07/29/how-to-increase-the-serial-number-for-all-dns-zones/#comments Fri, 30 Jul 2010 01:27:42 +0000 tech http://www.cpaneladmins.com/?p=331 NDCHost has made available a nice script that will increase the serial numbers for all DNS zones:

# cd /sbin
# rm -f updateserial
# wget http://www.ndchost.com/cpanel-whm/scripts/updateserial/download.php
# chown root.root updateserial
# chmod 0750 updateserial
# /sbin/updateserial -d /var/named

To activate your changes, be sure to reload rndc:
# rndc reload

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]]> http://www.cpaneladmins.com/2010/07/29/how-to-increase-the-serial-number-for-all-dns-zones/feed/ 0 Reverse DNS on cPanel http://www.cpaneladmins.com/2010/05/03/reverse-dns-on-cpanel/ http://www.cpaneladmins.com/2010/05/03/reverse-dns-on-cpanel/#comments Tue, 04 May 2010 03:06:00 +0000 tech http://www.cpaneladmins.com/?p=297 97%* of providers don’t allow their customers complete control of reverse DNS. If you’re part of that 3%*, check out this wiki article as a resource.

* Statistics made up, but accurate from what I’ve seen.

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]]> http://www.cpaneladmins.com/2010/05/03/reverse-dns-on-cpanel/feed/ 1 How to Install cPanel DNSonly http://www.cpaneladmins.com/2010/04/22/how-to-install-cpanel-dnsonly/ http://www.cpaneladmins.com/2010/04/22/how-to-install-cpanel-dnsonly/#comments Thu, 22 Apr 2010 06:08:30 +0000 tech http://www.cpaneladmins.com/?p=325 Installing cPanel DNSonly should only be done on a fresh installation of a supported OS.

cd /home
wget http://layer1.cpanel.net/cpanel-universal-dnsonly-install.sea
sh cpanel-universal-dnsonly-install.sea
cd cpanel-universal-dnsonly-install
sh install

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]]> http://www.cpaneladmins.com/2010/04/22/how-to-install-cpanel-dnsonly/feed/ 0 How to Disable DNS Recursion in Bind http://www.cpaneladmins.com/2009/10/31/how-to-disable-dns-recursion-in-bind/ http://www.cpaneladmins.com/2009/10/31/how-to-disable-dns-recursion-in-bind/#comments Sat, 31 Oct 2009 22:13:01 +0000 tech http://www.cpaneladmins.com/?p=88 Disabling DNS recursion is something most administrators will suggest, as having it enabled can cause performance issues.

vi /etc/named.conf

Then, in the options { section, add the following:

recursion no;

If recursion yes; is already there, just change it to recursion no; and restart named to activate your changes.

./scripts/restartsrv_named

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