--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5935308597 dns-udp-queries-received-ipv6: 1157189803 dns-tcp-queries-received-ipv4: 598138052 dns-tcp-queries-received-ipv6: 136409858 dns-udp-responses-sent-ipv4: 4522518788 dns-udp-responses-sent-ipv6: 1014163147 dns-tcp-responses-sent-ipv4: 490011958 dns-tcp-responses-sent-ipv6: 134272009