How do I configure DynSite to update both my domain and a sub-domain at ZoneEdit?
You will have to create 2 separate host entries under your ZoneEdit account in DynSite, one for your domain name and one for each additional sub-domain. The first entry will only have your domain name (e.g. mydomain.com) as the Domain name in Host or Domain Properties, the second one will also have mydomain.com as the Domain name but additionally you will enter the sub-domain name (e.g. www) in Host name in the Service-specific parameters section. Note: if all your host names have the same IP address as your 2nd-level domain, it will be much more efficient to configure your host names at ZoneEdit as CNAME pointing to your 2nd-level domain (like the example below) and only update your domain from DynSite. mydomain.com IN A xxx.xxx.xxx.xxx www IN CNAME mydomain.
You will have to create 2 separate host entries under your ZoneEdit account in DynSite, one for your domain name and one for each additional sub-domain. The first entry will only have your domain name (e.g. mydomain.com) as the Domain name in Host or Domain Properties, the second one will also have mydomain.com as the Domain name but additionally you will enter the sub-domain name (e.g. www) in Host name in the Service-specific parameters section. Note: if all your host names have the same IP address as your 2nd-level domain, it will be much more efficient to configure your host names at ZoneEdit as CNAME pointing to your 2nd-level domain (like the example below) and only update your domain from DynSite.