--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6969301991 dns-udp-queries-received-ipv6: 1164280986 dns-tcp-queries-received-ipv4: 644726679 dns-tcp-queries-received-ipv6: 71601130 dns-udp-responses-sent-ipv4: 6414542217 dns-udp-responses-sent-ipv6: 1123360155 dns-tcp-responses-sent-ipv4: 455594514 dns-tcp-responses-sent-ipv6: 53753504