--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5773517608 dns-udp-queries-received-ipv6: 1179766015 dns-tcp-queries-received-ipv4: 543885621 dns-tcp-queries-received-ipv6: 92303258 dns-udp-responses-sent-ipv4: 5283946235 dns-udp-responses-sent-ipv6: 1175802857 dns-tcp-responses-sent-ipv4: 388874505 dns-tcp-responses-sent-ipv6: 92416642