brew install redis
sudo npm install -g dns

/usr/local/opt/redis/bin/redis-server /usr/local/etc/redis.conf >& /tmp/redis.log &
sudo dns >& /tmp/dns.log &

open http://localhost:8053

REDIS_PORT_6379_TCP_ADDR  (default: 127.0.0.1)
REDIS_PORT_6379_TCP_PORT  (default: 6379)

DNSINTERFACE (default: 0.0.0.0)
DNSPORT      (default: 53 <- require root privilege to run)
DNSZONE      (default: local.dev)
DNSTTL       (default: 3600 <- one hour)
DNSPREFIX    (default: "dns:" <- key prefix in redis)
DNSPRIMARY   (default: 8.8.8.8)
DNSSECONDARY (default: 8.8.4.4)
DNSTIMEOUT   (default: 1000 <- 1 second)

* GET /dns/api/v1/name

	List all host to ip address mapping

* GET /dns/api/v1/name/{host}

	Return the ip address of only that host

* PUT /dns/api/v1/name/{host}

	Create or Modify the ip address for "host"

* DELETE /dns/api/v1/name/{host}

	Remove the host from the DNS

* DELETE /dns/api/v1/name?force=true

	Remove all host from the DNS

* GET /dns/api/v1/zone

	Return the DNS ZONE

* GET /dns/api/v1/status

	Return the DNS status

Single host
curl -X PUT -H 'Content-Type: application/json' -d '{"ipv4":["192.168.1.1"], "ipv6":["2605:f8b0:4006:802:0:0:0:1010"]}' http://localhost:8053/dns/api/v1/name/database.domain.com

Multiple hosts
curl -X PUT -H 'Content-Type: application/json' -d '{"ipv4":["192.168.1.1","192.168.1.2"], "ipv6":["2605:f8b0:4006:802:0:0:0:1010","2605:f8b0:4006:802:0:0:0:1011"]}' http://localhost:8053/dns/api/v1/name/database.domain.com

curl http://localhost:8053/dns/api/v1/name/database.domain.com
or
dig @127.0.0.1 database.domain.com
or
dig @127.0.0.1 database.domain.com AAAA

curl -X DELETE http://localhost:8053/dns/api/v1/name/database.domain.com

curl -X DELETE http://localhost:8053/dns/api/v1/name\?force\=true
or
for key in `echo 'KEYS dns*' | redis-cli | awk '{print $1}'` ; do echo DEL $key ; done | redis-cli