--- version: rssac002v3 service: d.root-servers.net start-period: '2017-01-01T00:00:00Z' end-period: '2017-01-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3690051650 dns-udp-queries-received-ipv6: 619843368 dns-tcp-queries-received-ipv4: 60357196 dns-tcp-queries-received-ipv6: 6479136 dns-udp-responses-sent-ipv4: 3681283959 dns-udp-responses-sent-ipv6: 619580630 dns-tcp-responses-sent-ipv4: 60273425 dns-tcp-responses-sent-ipv6: 6479004