--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5350420032 dns-udp-queries-received-ipv6: 581676227 dns-tcp-queries-received-ipv4: 261303249 dns-tcp-queries-received-ipv6: 20886267 dns-udp-responses-sent-ipv4: 5169602686 dns-udp-responses-sent-ipv6: 570183224 dns-tcp-responses-sent-ipv4: 197303422 dns-tcp-responses-sent-ipv6: 20143366