Add DynDNS Service

Provider:
Dynamic address: derive from hotlink interface
use outgoing interface address
query CheckIP service at dyndns.org
Server address:
Server port:
Hostname:
Username:
Password:
Protocol:
TSIG key name:
TSIG key:
URL:
Update URL:

http(s)://user:pass@<host>/<path>?hostname=<myhost>&ip=[IP]