--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7123136974 dns-udp-queries-received-ipv6: 1975903591 dns-tcp-queries-received-ipv4: 346405734 dns-tcp-queries-received-ipv6: 113343570 dns-udp-responses-sent-ipv4: 6665878605 dns-udp-responses-sent-ipv6: 1938427655 dns-tcp-responses-sent-ipv4: 257548622 dns-tcp-responses-sent-ipv6: 102240630