gistfile1.txt

# jdyer at MacBook-Pro.local in ~/Projects/consul [15:48:45]
$ dig @localhost -p 8600 _sip._udp.service.consul srv

; <<>> DiG 9.10.0-P2 <<>> @localhost -p 8600 _sip._udp.service.consul srv
; (3 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5926
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;_sip._udp.service.consul.	IN	SRV

;; Query time: 0 msec
;; SERVER: 127.0.0.1#8600(127.0.0.1)
;; WHEN: Fri Sep 12 15:49:04 EDT 2014
;; MSG SIZE  rcvd: 42

runtime.json

{
    "service": {
        "name": "runtimes",
        "port": 5060,
        "service" : "sip",
        "tags": [
            "udp"
        ]
    }
}