--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-22T00:00:00Z' end-period: '2017-12-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4755621784 dns-udp-queries-received-ipv6: 547846918 dns-tcp-queries-received-ipv4: 89081335 dns-tcp-queries-received-ipv6: 11822832 dns-udp-responses-sent-ipv4: 4754493179 dns-udp-responses-sent-ipv6: 547665428 dns-tcp-responses-sent-ipv4: 89030240 dns-tcp-responses-sent-ipv6: 11821230