On Wed, Feb 27, 2019 at 07:21:26PM +0300, Владимир Мартьянов wrote: > I make DNS zone transfer request (aka AXFR) via TCP to the server. The > answer is too big (>100Kb), so it could not be sent in one TCP > message. So the server send me a sequence of messages. > > How can I determine which message is the last? I can't found anything > about it's count in the first message. I can't found any special flag > in the last one. I can't found anything about it in RFC1035. > > Could you please explain how to find "end of answer"?
It has a trailing SOA RR. See RFC 5936 section 2.2. Mukund