--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9316182901 dns-udp-queries-received-ipv6: 1313132386 dns-tcp-queries-received-ipv4: 828537018 dns-tcp-queries-received-ipv6: 117592917 dns-udp-responses-sent-ipv4: 8454921182 dns-udp-responses-sent-ipv6: 1256013137 dns-tcp-responses-sent-ipv4: 558953754 dns-tcp-responses-sent-ipv6: 99715275