--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4547059525 dns-udp-queries-received-ipv6: 506129090 dns-tcp-queries-received-ipv4: 200276032 dns-tcp-queries-received-ipv6: 18654622 dns-udp-responses-sent-ipv4: 4453904028 dns-udp-responses-sent-ipv6: 503490148 dns-tcp-responses-sent-ipv4: 174632521 dns-tcp-responses-sent-ipv6: 18652792