return value from dns_rdataset_first() was ignored; added more comments and logging to nxtvalidate()
return value from dns_rdataset_first() was ignored;
added more comments and logging to nxtvalidate()

pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9