--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-07T00:00:00Z' end-period: '2018-04-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3986726245 dns-udp-queries-received-ipv6: 562302605 dns-tcp-queries-received-ipv4: 87271535 dns-tcp-queries-received-ipv6: 14085770 dns-udp-responses-sent-ipv4: 3985834274 dns-udp-responses-sent-ipv6: 562179557 dns-tcp-responses-sent-ipv4: 87245615 dns-tcp-responses-sent-ipv6: 14084771