--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5088935391 dns-udp-queries-received-ipv6: 949434142 dns-tcp-queries-received-ipv4: 562272971 dns-tcp-queries-received-ipv6: 126525121 dns-udp-responses-sent-ipv4: 3904387013 dns-udp-responses-sent-ipv6: 839409412 dns-tcp-responses-sent-ipv4: 438076994 dns-tcp-responses-sent-ipv6: 116897067