--- service: a.root-servers.net start-period: '2014-05-26T00:00:00Z' end-period: '2014-05-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2520679800 dns-udp-queries-received-ipv6: 108998000 dns-tcp-queries-received-ipv4: 12373403 dns-tcp-queries-received-ipv6: 991744 dns-udp-responses-sent-ipv4: 2520028774 dns-udp-responses-sent-ipv6: 108950965 dns-tcp-responses-sent-ipv4: 12431584 dns-tcp-responses-sent-ipv6: 84871