--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7001280719 dns-udp-queries-received-ipv6: 1333448805 dns-tcp-queries-received-ipv4: 633064822 dns-tcp-queries-received-ipv6: 107105296 dns-udp-responses-sent-ipv4: 6368630606 dns-udp-responses-sent-ipv6: 1316608594 dns-tcp-responses-sent-ipv4: 434974748 dns-tcp-responses-sent-ipv6: 104123332