(self,*ar)
Add additional records

            >>> q = DNSRecord.question("abc.com")
            >>> a = q.reply()
            >>> a.add_answer(*RR.fromZone("abc.com 60 CNAME x.abc.com"))
            >>> a.add_ar(*RR.fromZone("x.abc.com 3600 A 1.2.3.4"))
            >>> print(a)
            ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: ...
            ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
            ;; QUESTION SECTION:
            ;abc.com.                       IN      A
            ;; ANSWER SECTION:
            abc.com.                60      IN      CNAME   x.abc.com.
            ;; ADDITIONAL SECTION:
            x.abc.com.              3600    IN      A       1.2.3.4
Add additional records
Add additional records
def add_ar(self,*ar):
        """
            Add additional records

            >>> q = DNSRecord.question("abc.com")
            >>> a = q.reply()
            >>> a.add_answer(*RR.fromZone("abc.com 60 CNAME x.abc.com"))
            >>> a.add_ar(*RR.fromZone("x.abc.com 3600 A 1.2.3.4"))
            >>> print(a)
            ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: ...
            ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
            ;; QUESTION SECTION:
            ;abc.com.                       IN      A
            ;; ANSWER SECTION:
            abc.com.                60      IN      CNAME   x.abc.com.
            ;; ADDITIONAL SECTION:
            x.abc.com.              3600    IN      A       1.2.3.4
        """
        self.ar.extend(ar)
        self.set_header_qa()
def add_ar ( self , * ar ) : self . ar . extend ( ar ) self . set_header_qa ( )