--- version: rssac002v4 service: j.root-servers.net start-period: '2022-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5473823371 dns-udp-queries-received-ipv6: 1553246353 dns-tcp-queries-received-ipv4: 347149692 dns-tcp-queries-received-ipv6: 74244755 dns-udp-responses-sent-ipv4: 5165184771 dns-udp-responses-sent-ipv6: 1527185396 dns-tcp-responses-sent-ipv4: 254926844 dns-tcp-responses-sent-ipv6: 74068874