Dynamic DNS
Background
On IRIS networks, IP addresses are assigned to machines by our own DHCP server, and we also run our own DNS service. Dynamic DNS is a system whereby clients can automatically register their current IP address with DNS, so that other machines can access them by registered hostname. At this time, IRIS does not support Dynamic DNS in our infrastructure.
Windows clients typically will have Dynamic DNS enabled by default, meaning that they will attempt to register their current IP address with the DNS servers. To avoid excessive logging of attempted DDNS updates, DDNS updating should be disabled on all clients.
Third-party Dynamic DNS providers (such as NoIP.com and Dyn.com) utilize their own software client programs, so that subscribers can submit updates to the third-party DNS servers. This is an option for machines that need a fixed-IP name, but aren’t suitable for getting a fixed-IP name in our DNS from our DHCP server (e.g. mobile devices).
Disabling Dynamic DNS in Windows
To disable Dynamic DNS on a Microsoft Windows operating system, the procedure is similar to the following:
- Open your control panel
- Select Network and Internet
- Select View network status and tasks (on Network and Sharing Center)
- Select View Status or click on your active network connection
- Select Properties
- Highlight Internet Protocol Version 4 (TCP/IPv4)
- Select Properties
- Select Advanced
- Select the DNS tab
- Near the very bottom of the DNS tab you will see a option called “Register this connection’s address in DNS”. This is often checked by default. Please uncheck the “Register this connection’s address in DNS” option.