--- service: a.root-servers.net start-period: '2014-09-17T00:00:00Z' end-period: '2014-09-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1383166085 dns-udp-queries-received-ipv6: 110563335 dns-tcp-queries-received-ipv4: 10553837 dns-tcp-queries-received-ipv6: 1029946 dns-udp-responses-sent-ipv4: 1386200670 dns-udp-responses-sent-ipv6: 110006024 dns-tcp-responses-sent-ipv4: 10183532 dns-tcp-responses-sent-ipv6: 683489