--- service: a.root-servers.net start-period: '2014-11-13T00:00:00Z' end-period: '2014-11-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2821056099 dns-udp-queries-received-ipv6: 204692071 dns-tcp-queries-received-ipv4: 19105214 dns-tcp-queries-received-ipv6: 1901945 dns-udp-responses-sent-ipv4: 2820415333 dns-udp-responses-sent-ipv6: 204637343 dns-tcp-responses-sent-ipv4: 17431111 dns-tcp-responses-sent-ipv6: 1251913