Re: [twsocket] Different results for one DNS Query

2006-09-15 Thread Max Terentiev
ailing" Sent: Friday, September 15, 2006 3:08 PM Subject: Re: [twsocket] Different results for one DNS Query > Are you using TCP or UDP protocol ? > UDP is unreliable by design but faster. With UDP, you query or its answer > may be lost. > It is also possible that the target DNS s

Re: [twsocket] Different results for one DNS Query

2006-09-15 Thread Francois Piette
(Internet Component Suite, freeware) Author of MidWare (Multi-tier framework, freeware) http://www.overbyte.be - Original Message - From: "Max Terentiev" <[EMAIL PROTECTED]> To: "ICS support mailing" Sent: Friday, September 15, 2006 12:00 PM Subject: [twsocket] Dif

[twsocket] Different results for one DNS Query

2006-09-15 Thread Max Terentiev
Hello, I notice strange problem: I use TDNSQuery for resolving MX servers for e-mail addresses. Time to time TDNSQuery may return empty result (ResponseANCount==0) for domain. But next time for SAME domain it may return MX servers (ResponseANCount>0) Why fist time ResponseANCount is zero but