--- service: d.root-servers.net start-period: '2015-10-27T00:00:00Z' end-period: '2015-10-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3423085752 dns-udp-queries-received-ipv6: 438235187 dns-tcp-queries-received-ipv4: 18480352 dns-tcp-queries-received-ipv6: 567656 dns-udp-responses-sent-ipv4: 3412054668 dns-udp-responses-sent-ipv6: 437810060 dns-tcp-responses-sent-ipv4: 18426130 dns-tcp-responses-sent-ipv6: 567303