--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-20T00:00:00Z' end-period: '2018-05-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4289749722 dns-udp-queries-received-ipv6: 585398677 dns-tcp-queries-received-ipv4: 179059739 dns-tcp-queries-received-ipv6: 18625979 dns-udp-responses-sent-ipv4: 4290503670 dns-udp-responses-sent-ipv6: 585326552 dns-tcp-responses-sent-ipv4: 179027844 dns-tcp-responses-sent-ipv6: 18625585