<!DOCTYPE html><html><body><div dir="auto">> Those are clear protocol violation, as the names are case insensitive from the very beginning (RFC 1034 + 1035), regardless of deploying the 0x20 draft.<br><br>RFC 1035 section 2.3.3 "Character Case" says, "When data enters the domain system, its original case should be preserved whenever possible". I wonder if that means to copy the qname from the query section (case sensitive) into the answer section.<br><br>Winfried<br><br></div></body></html>