Only try to process the dns_optrr if the additional record set is actually a dns_optrr record.
Only try to process the dns_optrr if the additional record set is actually a dns_optrr record.
redbeardster/erl-dns,T0ha/erl-dns,fromeroj/erl-dns,aetrion/erl-dns,SiftLogic/erl-dns