Little nameserver resolving via arbitrary command(s).
Warning: This is a work-in-progress, you have been warned!
Via binary releases or:
$ go get github.com/tj/sdns/cmd/sdns
Run with config:
$ sdns < domains.yml
Configuration example:
bind: ":5000"
upstream:
- 8.8.8.8
- 8.8.4.4
domains:
- name: foo
command: |
echo '[{ "type": "A", "value": "1.1.1.1", "ttl": 60 }, { "type": "A", "value": "1.1.1.4", "ttl": 60 }]'
- name: bar
command: |
echo '[{ "type": "A", "value": "1.1.1.2", "ttl": 60 }]'
- name: foo.bar
command: |
echo '[{ "type": "A", "value": "1.1.1.3", "ttl": 300 }]'
- name: boom
command: |
echo 'something goes boom' && exit 1Dig it:
$ dig @127.0.0.1 -p 5000 something.foo +short
1.1.1.1
1.1.1.4
$ dig @127.0.0.1 -p 5000 something.bar +short
1.1.1.2
$ dig @127.0.0.1 -p 5000 something.foo.bar +short
1.1.1.3
$ dig @127.0.0.1 -p 5000 segment.com +short
54.213.169.105
- sdns-ec2: resolves AWS EC2 hosts via the Name tag
MIT