--- service: d.root-servers.net start-period: '2015-10-30T00:00:00Z' end-period: '2015-10-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3276029522 dns-udp-queries-received-ipv6: 428598831 dns-tcp-queries-received-ipv4: 18879306 dns-tcp-queries-received-ipv6: 611467 dns-udp-responses-sent-ipv4: 3265243639 dns-udp-responses-sent-ipv6: 428230499 dns-tcp-responses-sent-ipv4: 18839267 dns-tcp-responses-sent-ipv6: 610969