--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-28T00:00:00Z' end-period: '2018-06-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4736456698 dns-udp-queries-received-ipv6: 618884030 dns-tcp-queries-received-ipv4: 174835204 dns-tcp-queries-received-ipv6: 17125325 dns-udp-responses-sent-ipv4: 4736459745 dns-udp-responses-sent-ipv6: 618689481 dns-tcp-responses-sent-ipv4: 174770436 dns-tcp-responses-sent-ipv6: 17121893