--- service: a.root-servers.net start-period: '2016-01-26T00:00:00Z' end-period: '2016-01-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4895566143 dns-udp-queries-received-ipv6: 335673436 dns-tcp-queries-received-ipv4: 50034964 dns-tcp-queries-received-ipv6: 2056423 dns-udp-responses-sent-ipv4: 4882653428 dns-udp-responses-sent-ipv6: 336197784 dns-tcp-responses-sent-ipv4: 43042587 dns-tcp-responses-sent-ipv6: 271992