said by nitzan:You can specify the time it does the look up... said by sokhapkin:
Let me guess - you run something based on asterisk and have dnsmgr turned off. Am I right? It's a typical example of user error.
How often does Asterisk re-lookups a DNS entry for a server it's registering to? I'd think this would be based on the TTL for the DNS entry, is it not?