--- version: rssac002v4 service: j.root-servers.net start-period: '2023-12-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6005956930 dns-udp-queries-received-ipv6: 1929046222 dns-tcp-queries-received-ipv4: 165674467 dns-tcp-queries-received-ipv6: 72694760 dns-udp-responses-sent-ipv4: 5869673069 dns-udp-responses-sent-ipv6: 1890868276 dns-tcp-responses-sent-ipv4: 144230619 dns-tcp-responses-sent-ipv6: 56468934