--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4793065958 dns-udp-queries-received-ipv6: 430962689 dns-tcp-queries-received-ipv4: 216156275 dns-tcp-queries-received-ipv6: 18614688 dns-udp-responses-sent-ipv4: 4681571649 dns-udp-responses-sent-ipv6: 428539383 dns-tcp-responses-sent-ipv4: 182502034 dns-tcp-responses-sent-ipv6: 18642423