--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6118507488 dns-udp-queries-received-ipv6: 1416483642 dns-tcp-queries-received-ipv4: 443251356 dns-tcp-queries-received-ipv6: 90876871 dns-udp-responses-sent-ipv4: 5631979739 dns-udp-responses-sent-ipv6: 1391253586 dns-tcp-responses-sent-ipv4: 302199268 dns-tcp-responses-sent-ipv6: 90229765