--- version: rssac002v4 service: j.root-servers.net start-period: '2022-06-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5378964945 dns-udp-queries-received-ipv6: 1536393889 dns-tcp-queries-received-ipv4: 321439478 dns-tcp-queries-received-ipv6: 52908764 dns-udp-responses-sent-ipv4: 5048358710 dns-udp-responses-sent-ipv6: 1529854490 dns-tcp-responses-sent-ipv4: 219086273 dns-tcp-responses-sent-ipv6: 52586541