--- service: a.root-servers.net start-period: '2013-10-30T00:00:00Z' end-period: '2013-10-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1549923063 dns-udp-queries-received-ipv6: 86780808 dns-tcp-queries-received-ipv4: 8088512 dns-tcp-queries-received-ipv6: 1406485 dns-udp-responses-sent-ipv4: 1547737334 dns-udp-responses-sent-ipv6: 86787529 dns-tcp-responses-sent-ipv4: 8748401 dns-tcp-responses-sent-ipv6: 19320