--- service: a.root-servers.net start-period: '2016-11-13T00:00:00Z' end-period: '2016-11-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4305257896 dns-udp-queries-received-ipv6: 399045230 dns-tcp-queries-received-ipv4: 160687975 dns-tcp-queries-received-ipv6: 8578687 dns-udp-responses-sent-ipv4: 4293710800 dns-udp-responses-sent-ipv6: 398774367 dns-tcp-responses-sent-ipv4: 161288789 dns-tcp-responses-sent-ipv6: 8590751