--- version: rssac002v3 service: d.root-servers.net start-period: '2018-09-16T00:00:00Z' end-period: '2018-09-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4645487148 dns-udp-queries-received-ipv6: 687152726 dns-tcp-queries-received-ipv4: 192381185 dns-tcp-queries-received-ipv6: 23723361 dns-udp-responses-sent-ipv4: 4645423118 dns-udp-responses-sent-ipv6: 687084358 dns-tcp-responses-sent-ipv4: 192100965 dns-tcp-responses-sent-ipv6: 23711017