Description
ipecho parses the IP out of a subdomain and echos it back as an record.
Example
A IN 127.0.0.1.example.com. -> A: 127.0.0.1
AAAA IN ::1.example.com. -> AAAA: ::1
Syntax
ipecho {
    domain example1.com
    domain example2.com
    ttl 2629800
}
- domain adds the domain that should be handled
 - ttl defines the ttl that should be used in the response
 - debug enables debug logging