--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6129156191 dns-udp-queries-received-ipv6: 1510106947 dns-tcp-queries-received-ipv4: 514731566 dns-tcp-queries-received-ipv6: 116278225 dns-udp-responses-sent-ipv4: 5601518905 dns-udp-responses-sent-ipv6: 1456183161 dns-tcp-responses-sent-ipv4: 368909401 dns-tcp-responses-sent-ipv6: 110642711