--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9539774133 dns-udp-queries-received-ipv6: 1269195040 dns-tcp-queries-received-ipv4: 782768158 dns-tcp-queries-received-ipv6: 114364955 dns-udp-responses-sent-ipv4: 8812619537 dns-udp-responses-sent-ipv6: 1258217772 dns-tcp-responses-sent-ipv4: 567077433 dns-tcp-responses-sent-ipv6: 113503122