--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-12T00:00:00Z' end-period: '2018-07-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4770093306 dns-udp-queries-received-ipv6: 752199525 dns-tcp-queries-received-ipv4: 193888136 dns-tcp-queries-received-ipv6: 18669043 dns-udp-responses-sent-ipv4: 4770751579 dns-udp-responses-sent-ipv6: 751941442 dns-tcp-responses-sent-ipv4: 193843165 dns-tcp-responses-sent-ipv6: 18664630