discovery/dns: Maintain argument order consistency
discovery/dns: Maintain argument order consistency

tomwilkie/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,prometheus/prometheus,PrFalken/prometheus,keegancsmith/prometheus,brancz/prometheus,dmilstein/prometheus,slok/prometheus,gottwald/prometheus,SaltedMan/prometheus-annotated,gottwald/prometheus,Stackdriver/stackdriver-prometheus,tattsun/prometheus,datajet-io/prometheus,sudhi-vm/prometheus,AlekSi/prometheus,adamron1/prometheus,amorken/prometheus,tomwilkie/prometheus,tomwilkie/prometheus,ton31337/prometheus,Stackdriver/stackdriver-prometheus,ton31337/prometheus,keegancsmith/prometheus,sudhi-vm/prometheus,yanghongkjxy/prometheus,kzittritsch/prometheus,keegancsmith/prometheus,alileza/prometheus,brancz/prometheus,Colstuwjx/prometheus,slok/prometheus,gottwald/prometheus,dsymonds/prometheus,Colstuwjx/prometheus,brancz/prometheus,GoogleCloudPlatform/prometheus,alileza/prometheus,keegancsmith/prometheus,Conorbro/prometheus,JavierZunzunegui/prometheus,prometheus/prometheus,adamron1/prometheus,kangwoo/prometheus,amorken/prometheus,sudhi-vm/prometheus,kzittritsch/prometheus,AlekSi/prometheus,AlekSi/prometheus,dmilstein/prometheus,SaltedMan/prometheus-annotated,PrFalken/prometheus,ton31337/prometheus,keegancsmith/prometheus,AlekSi/prometheus,adamron1/prometheus,slok/prometheus,agaoglu/prometheus,msiebuhr/prometheus,Gouthamve/prometheus,amorken/prometheus,amorken/prometheus,dmilstein/prometheus,msiebuhr/prometheus,dsymonds/prometheus,Gouthamve/prometheus,dmilstein/prometheus,prometheus/prometheus,SaltedMan/prometheus-annotated,alileza/prometheus,JavierZunzunegui/prometheus,PrFalken/prometheus,Conorbro/prometheus,datajet-io/prometheus,msiebuhr/prometheus,datajet-io/prometheus,brancz/prometheus,GoogleCloudPlatform/prometheus,tattsun/prometheus,yanghongkjxy/prometheus,Gouthamve/prometheus,Stackdriver/stackdriver-prometheus,tattsun/prometheus,PrFalken/prometheus,GoogleCloudPlatform/prometheus,yanghongkjxy/prometheus,gottwald/prometheus,kzittritsch/prometheus,yanghongkjxy/prometheus,alileza/prometheus,Colstuwjx/prometheus,sudhi-vm/prometheus,dsymonds/prometheus,Conorbro/prometheus,slok/prometheus,Conorbro/prometheus,tomwilkie/prometheus,Gouthamve/prometheus,alileza/prometheus,JavierZunzunegui/prometheus,msiebuhr/prometheus,agaoglu/prometheus,kangwoo/prometheus,datajet-io/prometheus,tattsun/prometheus,agaoglu/prometheus,dsymonds/prometheus,agaoglu/prometheus,Colstuwjx/prometheus,kangwoo/prometheus,kzittritsch/prometheus,SaltedMan/prometheus-annotated,ton31337/prometheus,kangwoo/prometheus,Stackdriver/stackdriver-prometheus,adamron1/prometheus,JavierZunzunegui/prometheus,prometheus/prometheus