I have two components in this OpenDNS Utilities.
- PHP Script which informs the DNS-O-Matic server regarding your new IP Address.
- A Windows Form utility that manages your system to either use OpenDNS, or a custom DNS or revert to DHCP. This comes in handy to switch on to OpenDNS when you reach home or other public Wi-Fi spot and revert to normal DNS or DHCP when using VPN or corporate
networks, where external DNS presents routing problems.