--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7111940839 dns-udp-queries-received-ipv6: 1215919909 dns-tcp-queries-received-ipv4: 703456612 dns-tcp-queries-received-ipv6: 93146222 dns-udp-responses-sent-ipv4: 6428086989 dns-udp-responses-sent-ipv6: 1210202198 dns-tcp-responses-sent-ipv4: 472606581 dns-tcp-responses-sent-ipv6: 92677909