[asterisk-users] doing dnsmgr_lookup for

[Antony Stone]

On Thursday 31 May 2018 at 15:52:53, Jonas Kellens wrote:

> Hello list
> 
> is there a way to limit the number of dns lookups for 1 and the same host?
> 
> I see on Asterisk CLI a flood of :
> 
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> [May 31 15:45:37]        > doing dnsmgr_lookup for 'proxy1.sip.x2reg.be'
> 
> I have several sip peer definitions (sip trunks) pointing at this same
> host.

Does it matter?

So long as you have a local caching DNS server (for highest performance, on 
the Asterisk server itself, with /etc/resolv.conf pointing to 127.0.0.1 or 
::1) the effect should not be noticeable.


Antony.

-- 
"Remember: the S in IoT stands for Security."

 - Jan-Piet Mens

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