--- version: rssac002v3 service: j.root-servers.net start-period: '2018-12-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6706082794 dns-udp-queries-received-ipv6: 829407075 dns-tcp-queries-received-ipv4: 428832526 dns-tcp-queries-received-ipv6: 64152459 dns-udp-responses-sent-ipv4: 6201335019 dns-udp-responses-sent-ipv6: 789297536 dns-tcp-responses-sent-ipv4: 277875793 dns-tcp-responses-sent-ipv6: 43359336