--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5442385697 dns-udp-queries-received-ipv6: 1082075484 dns-tcp-queries-received-ipv4: 565367053 dns-tcp-queries-received-ipv6: 143924339 dns-udp-responses-sent-ipv4: 4180779766 dns-udp-responses-sent-ipv6: 941959364 dns-tcp-responses-sent-ipv4: 445014716 dns-tcp-responses-sent-ipv6: 135727778