--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6603898299 dns-udp-queries-received-ipv6: 1263265010 dns-tcp-queries-received-ipv4: 673130326 dns-tcp-queries-received-ipv6: 167005795 dns-udp-responses-sent-ipv4: 5363423742 dns-udp-responses-sent-ipv6: 1130070159 dns-tcp-responses-sent-ipv4: 606784503 dns-tcp-responses-sent-ipv6: 153577804