[Users] OT: Troubleshooting DNS SRV records

[kjcsb]

I'm trying to get SRV records working and am having difficulties. I wonder 
if anyone could point me in the direction of some useful information on this 
topic to assist in troubleshooting. I've read a lot of stuff about how to 
set it up and check the records, but since I'm still having problems, 
there's something else wrong and I've run out of ideas.

nslookup
set type=srv
_sip._tcp.domain.co.nz

Server:         64.38.5.242
Address:        64.38.5.242#53



Non-authoritative answer:
_sip._tcp.domain.co.nz      service = 10 10 5060 domain.co.nz.
_sip._tcp.domain.co.nz      service = 20 10 5060 beta.domain.co.nz.



Authoritative answers can be found from:
domain.co.nz        nameserver = ns1.widge.net.
domain.co.nz        nameserver = ns2.widge.net.
> _sip._udp.domain.co.nz
Server:         64.38.5.242
Address:        64.38.5.242#53



Non-authoritative answer:
_sip._udp.domain.co.nz      service = 10 10 5060 domain.co.nz.
_sip._udp.domain.co.nz      service = 20 10 5060 beta.domain.co.nz.



Authoritative answers can be found from:
domain.co.nz        nameserver = ns2.widge.net.
domain.co.nz        nameserver = ns1.widge.net.



One thing I notice from this is that no IP addresses are returned. Is that 
normal?



The problems I am experiencing are that neither my Grandstream BT102 or 
SPA3000 can resolve the proxy name using SRV (when use SRV is set to on in 
those devices). In the case of the BT102 it won't register (switching off 
use SRV allows it to register). In the case of the SPA3000 when I view the 
syslog output I can see it failing over from the SRV record to the A record 
which then resolves.



Any help appreciated.



Cameron