Add automatic IDNA conversion to command-line utilities

[horazont]

• Program: Authoritative
• Issue type: Feature request

Short description

I often use the pdnsutil and pdns_control command line utilities. Recently, a IDN-encoded zone joined my flock of domains. It would be neat if I could pass the UTF-8 version of the name to those utilities and they would take care of applying the IDNA encoding in order to find the correct zone in the backend.

Usecase

• As a human being, I do not like to run the IDNA algorithm in my head. Software can do it much better than I can.
• As a human being, I'm not good at remembering IDNA-encoded DNS names. I can remember (and type) the UTF-8 form of them, though.