--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6980963904 dns-udp-queries-received-ipv6: 1415038555 dns-tcp-queries-received-ipv4: 596323131 dns-tcp-queries-received-ipv6: 115424001 dns-udp-responses-sent-ipv4: 6391142485 dns-udp-responses-sent-ipv6: 1399168902 dns-tcp-responses-sent-ipv4: 426516739 dns-tcp-responses-sent-ipv6: 110191758