--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6234483296 dns-udp-queries-received-ipv6: 1510313293 dns-tcp-queries-received-ipv4: 421160236 dns-tcp-queries-received-ipv6: 66298737 dns-udp-responses-sent-ipv4: 5762956743 dns-udp-responses-sent-ipv6: 1477271384 dns-tcp-responses-sent-ipv4: 290709440 dns-tcp-responses-sent-ipv6: 64744188