--- version: rssac002v3 service: j.root-servers.net start-period: '2018-08-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5195071956 dns-udp-queries-received-ipv6: 551558527 dns-tcp-queries-received-ipv4: 265350818 dns-tcp-queries-received-ipv6: 22529254 dns-udp-responses-sent-ipv4: 4991355079 dns-udp-responses-sent-ipv6: 550048052 dns-tcp-responses-sent-ipv4: 199693331 dns-tcp-responses-sent-ipv6: 22436569