--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7201729947 dns-udp-queries-received-ipv6: 1246517165 dns-tcp-queries-received-ipv4: 597728455 dns-tcp-queries-received-ipv6: 83689074 dns-udp-responses-sent-ipv4: 6651229322 dns-udp-responses-sent-ipv6: 1194664146 dns-tcp-responses-sent-ipv4: 428460978 dns-tcp-responses-sent-ipv6: 58380963