--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7479167927 dns-udp-queries-received-ipv6: 1518681143 dns-tcp-queries-received-ipv4: 663599558 dns-tcp-queries-received-ipv6: 109748882 dns-udp-responses-sent-ipv4: 6872590812 dns-udp-responses-sent-ipv6: 1503815648 dns-tcp-responses-sent-ipv4: 451258623 dns-tcp-responses-sent-ipv6: 104666007