Daily Data uses the popular ISPConfig3 Control panel (https://www.ispconfig.org/) giving our users the ability to manage their own domains via a web interface.

You should have received login information when your account was set up. With that information, go to

https://jenny.dailydata.net:8080

to add/remove e-mail addresses, web sites (subdomains only), change your DNS settings and add/remove ftp logins.