DNS

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Creating A DNS Cache With djbdns

Creating A DNS Cache With djbdns

Building a local DNS cache will speed up your internet connection since the time for the “translation job” (converting domain names into IP addresses) will become negligible with the assumption that the DNS cache gets the information from the parent DNS.

How To Run Your Own Name Server With ISPConfig And providerdomain.de (Schlund)

How To Run Your Own Name Server With ISPConfig And providerdomain.de (Schlund)

This tutorial shows how you can run your own name server for domains that you register with providerdomain.de (Schlund Technologies). Of course, this works with every other registrar as well, although the procedure might differ a little bit. We will use the ISPConfig server as the primary name server and one of Schlund's name servers as the secondary name server.

MyDNS with MyDNSConfig Control Panel and DNSMasq on Ubuntu 6.10

MyDNS with MyDNSConfig Control Panel and DNSMasq on Ubuntu 6.10

In this tutorial I will describe how to install and configure MyDNS and MyDNSConfig. MyDNS is a DNS server that uses a MySQL database as backend instead of configuration files like, for example, Bind or djbdns. The advantage is that MyDNS simply reads the records from the database, and it does not have to be restarted/reloaded when DNS records change or zones are created/edited/deleted. A secondary nameserver can be easily set up by installing a second instance of MyDNS that accesses the same database or, to be more redundant, uses the MySQL master / slave replication features to replicate the data to the secondary nameserver.

Resolving Domains Internally And Externally With Bind9 And Caching Nameserver

Resolving Domains Internally And Externally With Bind9 And Caching Nameserver

Some times, we are required to resolve our internal domains on a local nameserver and external (internet) domains on our ISP's nameserver. There are different solutions to this problem, but in this howto, we are going to solve it through configuring a combination of caching-nameserver and BIND 9.

How To Configure Dynamic DNS (Fedora Core 4 Setup)

How To Configure Dynamic DNS (Fedora Core 4 Setup)

In this howto we will learn how to build a Dynamic DNS Server. Normally when we configure DNS, we use static entries to resolve any FQDN. If we are using DHCP in our network which gives dynamic IPs to every computer that turns on or requests one, then it is not possible to configure DNS statically. For that we should configure our DNS with DHCP in a manner that whenever a computer gets a new IP, its FQDN will be automatically updated with the new IP in DNS.

[Debian Sarge] Installing A Bind9 Master/Slave DNS System

[Debian Sarge] Installing A Bind9 Master/Slave DNS System 

In this howto we will install 2 bind dns servers, one as the master and the other as a slave server. For security reasons we will chroot bind9 in its own jail.
Using two servers for a domain is a commonly used setup and in order to host your own domain you are required to have at least 2 domain servers. If one breaks, the other can continue to serve your domain.

How To Run Your Own Name Servers With ISPConfig And GoDaddy

How To Run Your Own Name Servers With ISPConfig And GoDaddy

This tutorial shows how you can run your own name servers for domains that you register with GoDaddy. Of course, this works with every other registrar as well, although the procedure might differ a little bit.

To do this, you need two servers with two different public IP addresses and with ISPConfig installed, and of course a GoDaddy account.

Traditional DNS Howto

Traditional DNS Howto

Linux system administrators should learn traditional DNS. Front-ends and quick templates to setup domain records have a place in managing sites. When confronted with DNS configurations already in existence, nothing can substitute for knowing and using the fundamentals.

The vast majority of users on the Internet have no clue about DNS. They may have seen the term when they set up their ISP connection, but they do not realize its connection to their lives. Simply put, DNS servers allow you to use friendly names in your browser, email or other Internet applications to perform tasks which require IP addresses.

Two-in-one DNS server with BIND9

This tutorial shows you how to configure BIND9 DNS server to serve an internal network and an external network at the same time with different set of information. To accomplish that goal, a new feature of BIND9 called view is used. As a tutorial it'll walk you through the whole set up, but initial knowledge of BIND and DNS is required, there are plenty of documents that cover that information on the Internet.

Running A MySQL-Based DNS Server: MyDNS

Running A MySQL-Based DNS Server: MyDNS

In this tutorial I will describe how to install and configure MyDNS, a DNS server that uses a MySQL database as backend instead of configuration files like, for example, Bind or djbdns. This has the advantage that you can easily use web-based frontends to administrate your DNS records. You could even write your own frontend, e.g. using PHP, to interact with the MyDNS database. MyDNS simply reads the records from the database, and it does not have to be restarted/reloaded when DNS records change or zones are created/edited/deleted! This is a major advantage.

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