--- service: a.root-servers.net start-period: '2014-05-27T00:00:00Z' end-period: '2014-05-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2691197955 dns-udp-queries-received-ipv6: 115224496 dns-tcp-queries-received-ipv4: 13015673 dns-tcp-queries-received-ipv6: 1098010 dns-udp-responses-sent-ipv4: 2688869581 dns-udp-responses-sent-ipv6: 115163048 dns-tcp-responses-sent-ipv4: 13067909 dns-tcp-responses-sent-ipv6: 86628