asterisk users - Feb 2017 - SIP host name resolution

If I have a SIP endpoint defined in sip.conf using a host name instead of 
an IP address, do I have to reload sip to get Asterisk to 're-resolve'
the
host name if I change the IP address in my DNS?

Does the answer change if the host name in sip.conf resolves to a CNAME 
and I change the CNAME in my DNS?

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
             https://www.linkedin.com/in/steve-edwards-4244281

Hi,


Am 03.02.2017 um 18:23 schrieb Steve Edwards:
> If I have a SIP endpoint defined in sip.conf using a host name instead of
an IP address, do I have to reload sip to get Asterisk to 're-resolve'
the host name if I change the IP address in my DNS?
Normally, Asterisk honours DNS TTL and will re-lookup hosts as soon as the TTL
is expired.
If you can't wait for that to happen, you can enable the builtin DNS manager
and configure a refresh interval for DNS records to expire.
See "dnsmgr.conf" for the latter one.

> Does the answer change if the host name in sip.conf resolves to a CNAME and
I change the CNAME in my DNS?
Not as far as I know.
If you enabled SRV lookups for Asterisk, you may also want to check possibly
existing SRV records for your host since Asterisk then looks them up first.


Max