--- version: rssac002v4 service: j.root-servers.net start-period: '2022-05-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5747195137 dns-udp-queries-received-ipv6: 1523264830 dns-tcp-queries-received-ipv4: 450594582 dns-tcp-queries-received-ipv6: 49816346 dns-udp-responses-sent-ipv4: 5279315348 dns-udp-responses-sent-ipv6: 1510518454 dns-tcp-responses-sent-ipv4: 287312996 dns-tcp-responses-sent-ipv6: 49760431