--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-15T00:00:00Z' end-period: '2018-05-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4392847400 dns-udp-queries-received-ipv6: 668641462 dns-tcp-queries-received-ipv4: 110319265 dns-tcp-queries-received-ipv6: 16783033 dns-udp-responses-sent-ipv4: 4392587230 dns-udp-responses-sent-ipv6: 668579242 dns-tcp-responses-sent-ipv4: 110297680 dns-tcp-responses-sent-ipv6: 16780893