--- version: rssac002v3 service: d.root-servers.net start-period: '2018-10-21T00:00:00Z' end-period: '2018-10-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5052131832 dns-udp-queries-received-ipv6: 709992815 dns-tcp-queries-received-ipv4: 243594318 dns-tcp-queries-received-ipv6: 24765583 dns-udp-responses-sent-ipv4: 5052221848 dns-udp-responses-sent-ipv6: 709837215 dns-tcp-responses-sent-ipv4: 242788896 dns-tcp-responses-sent-ipv6: 24746835