--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7156600818 dns-udp-queries-received-ipv6: 1486431413 dns-tcp-queries-received-ipv4: 647807581 dns-tcp-queries-received-ipv6: 105391754 dns-udp-responses-sent-ipv4: 6574827555 dns-udp-responses-sent-ipv6: 1472708394 dns-tcp-responses-sent-ipv4: 447649345 dns-tcp-responses-sent-ipv6: 100601062