--- service: a.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: 3122317739 dns-udp-queries-received-ipv6: 305109093 dns-tcp-queries-received-ipv4: 21346074 dns-tcp-queries-received-ipv6: 4070643 dns-udp-responses-sent-ipv4: 3128449126 dns-udp-responses-sent-ipv6: 304306881 dns-tcp-responses-sent-ipv4: 18416796 dns-tcp-responses-sent-ipv6: 1394433