[Asterisk-Users] Asterisk Dynamic DNS

[Sergio Chersovani]

Branko Samardzic wrote:

>thought, it is DNS propagation problem, but it is NOT! Even one hour after
>IP change, machine A still points to old IP address and says that it is not
>reachable.
>  
>
I bet it is a DNS cache problem. Probably the machine A uses a cache dns 
and the record is not up to date.
You have to run nslookup from the machine A to understand if the record 
was updated.
Set the /etc/resolv.conf to point to a ISP dns server.

Sergio