static Record fromWire(DNSInput in, int section, boolean isUpdate) throws IOException { int type, dclass; long ttl; int length; Name name; Record rec; name = new Name(in); type = in.readU16(); dclass = in.readU16(); if (section == Section.QUESTION) return newRecord(name, type, dclass); ttl = in.readU32(); length = in.readU16(); if (length == 0 && isUpdate) return newRecord(name, type, dclass, ttl); rec = newRecord(name, type, dclass, ttl, length, in); return rec; }