--- service: a.root-servers.net start-period: '2014-10-20T00:00:00Z' end-period: '2014-10-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2964891536 dns-udp-queries-received-ipv6: 177771910 dns-tcp-queries-received-ipv4: 18567027 dns-tcp-queries-received-ipv6: 1879026 dns-udp-responses-sent-ipv4: 2957498937 dns-udp-responses-sent-ipv6: 177683726 dns-tcp-responses-sent-ipv4: 17326102 dns-tcp-responses-sent-ipv6: 1271909