--- version: rssac002v3 service: j.root-servers.net start-period: '2019-02-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6691703955 dns-udp-queries-received-ipv6: 751562439 dns-tcp-queries-received-ipv4: 439747368 dns-tcp-queries-received-ipv6: 38200970 dns-udp-responses-sent-ipv4: 6297720658 dns-udp-responses-sent-ipv6: 749635964 dns-tcp-responses-sent-ipv4: 345490753 dns-tcp-responses-sent-ipv6: 36160035