miekg/dns — pull request #51 by r4um (2013-07-11 09:17:25+00:00)
Title: Do not fail AXFR if first anwser is just SOA

I have a case where first axfr reply has only one record (SOA), current logic terminates rest of the transfer
since `checkXfrSOA(in, false)` returns true for just 1 SOA record in the answer.