--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6654768614 dns-udp-queries-received-ipv6: 1438956837 dns-tcp-queries-received-ipv4: 585468949 dns-tcp-queries-received-ipv6: 100537449 dns-udp-responses-sent-ipv4: 6072691042 dns-udp-responses-sent-ipv6: 1414451010 dns-tcp-responses-sent-ipv4: 424667754 dns-tcp-responses-sent-ipv6: 97262947