--- version: rssac002v4 service: j.root-servers.net start-period: '2021-10-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5975566214 dns-udp-queries-received-ipv6: 1315684371 dns-tcp-queries-received-ipv4: 435583959 dns-tcp-queries-received-ipv6: 91575378 dns-udp-responses-sent-ipv4: 5581985099 dns-udp-responses-sent-ipv6: 1299264680 dns-tcp-responses-sent-ipv4: 312106446 dns-tcp-responses-sent-ipv6: 89669403