DNS and DHCP connection to inline domain name resolution

Allocations are registered and end-user visits can be exchanged.

DHCP assigns addresses synchronized to the registered hostname of DNS, so that the inner network devices can exchange their names without having to keep IP. It is friendly for peacekeeping scripts to move. To open an automatic cleanup of DNS records, otherwise the equipment will have long-term remnants of old records when offline and the name points to the wrong address, creating a new malfunction.