--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-01T00:00:00Z' end-period: '2018-05-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3730836193 dns-udp-queries-received-ipv6: 635075372 dns-tcp-queries-received-ipv4: 94525996 dns-tcp-queries-received-ipv6: 14789885 dns-udp-responses-sent-ipv4: 3730490172 dns-udp-responses-sent-ipv6: 635019627 dns-tcp-responses-sent-ipv4: 94490744 dns-tcp-responses-sent-ipv6: 14784910