DNS Related

What is DNS?
The Domain Name System or Service (DNS) is a process that maps hostnames (how humans address servers) to IP addresses (how computers address servers).When you visted www.dyndns.org, your computer resolved that hostname as 63.208.196.100. This translation happens every time you...
Why can't I connect to my server?
Okay, you've setup a host in our Dynamic DNS or Custom DNS service. However, you can't connect to this host using a web browser, FTP client, remote access software, etc. What is the problem?
Using IPv6 with Custom and Secondary DNS
As part of Dyn Inc.'s IPv6 implementation plan, DynDNS.com has recently made a new IPv6 nameserver available for Custom DNS and Secondary DNS customers.
Implementing DNSSEC
This tutorial demonstrates public/private key creation and zone signing in BIND 9.
Why Custom DNS?
One common question we receive regarding our Custom DNS service is simply, "Why? Why do I need Custom DNS, and what makes your service different from all the other DNS providers out there?"
Using Google Apps with Custom DNS
This tutorial will help you to create a new Google Apps account for your domain and configure Custom DNS to complete the verification process.
How DDNS works
How dynamic DNS (DDNS) works and what it is
Decrementing Your Zone Serial
How to lower your zone serial in Secondary DNS
Changing DNS Providers without Downtime
Overview The goal of this document is to provide a broad overview of the domain delegation process and provide specific tips to ensure that the process is as smooth as possible. Making The Switch Typically, switching DNS providers is a...
DNS Caching
All records in DNS have a Time to Live (TTL) value. This value dictates how long a record should be stored locally before a new copy of the record must be retrieved from DNS. The record storage is known as...
Record Types Supported in Custom DNS Expert Interface
Custom DNS provides two separate interfaces to editing DNS records, the "Standard" interface which provides support for just A, CNAME, MX and TXT records and the "Expert" interface which includes support for additional record types. This KB article provides examples of the use of each type of record supported in the Expert interface.
Record Types Supported in Custom DNS Standard Interface
This KB article provides examples of the use and format of each type of record supported in the Standard interface.
Reverse DNS in Custom DNS
This Knowledge Base article provides info on how to setup Reverse DNS in our Custom DNS service.
Reverse DNS
This Knowledge Base article provides a basic overview of what Reverse DNS is and how to set it up in our various services.
Using Custom DNS with "Subdomains"
Intro Custom DNS is designed primarily to work with domains owned/registered by the customer (example.com, example.co.uk, etc). However, Custom DNS can also be used with a subdomain of such a domain (host.example.com, host.example.co.uk, etc) as well as hosts within services...
Custom/Secondary DNS Conversion
Because of the way that Custom DNS and Secondary DNS use the same set of nameservers, switching a domain from one of these services to the other can result in down time without using the proper procedure. If you are...
Running a Hidden Primary
This article discusses using Secondary DNS with a hidden primary DNS server (sometimes referred to as blind secondary DNS). Yes, Secondary DNS will support this, but there are some specific pitfalls to avoid which we'll discuss in this article. What...
Loopback Connections
A common problem that many customers encounter when using a NAT router is that they want to be able to access their web site from within their local network, but their NAT router does not support "loopback" connections. What is...
Glue Records
Many people have often wondered why they can't run a DNS server for their own .com/.net/.org/etc domain on a dynamic IP. It seems to simple to enter yourname.dyndns.org as the DNS server in your registrar's form, and yet if you...