--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6047903104 dns-udp-queries-received-ipv6: 1305722620 dns-tcp-queries-received-ipv4: 444784708 dns-tcp-queries-received-ipv6: 76808651 dns-udp-responses-sent-ipv4: 5674007863 dns-udp-responses-sent-ipv6: 1294285021 dns-tcp-responses-sent-ipv4: 326161910 dns-tcp-responses-sent-ipv6: 75713587