--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5886054163 dns-udp-queries-received-ipv6: 1215900322 dns-tcp-queries-received-ipv4: 584731875 dns-tcp-queries-received-ipv6: 150180212 dns-udp-responses-sent-ipv4: 4468468778 dns-udp-responses-sent-ipv6: 1070968478 dns-tcp-responses-sent-ipv4: 486054064 dns-tcp-responses-sent-ipv6: 149526017