--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6656933603 dns-udp-queries-received-ipv6: 1812561694 dns-tcp-queries-received-ipv4: 756243824 dns-tcp-queries-received-ipv6: 266634779 dns-udp-responses-sent-ipv4: 4955722072 dns-udp-responses-sent-ipv6: 1480212841 dns-tcp-responses-sent-ipv4: 650706691 dns-tcp-responses-sent-ipv6: 294683294