--- service: d.root-servers.net start-period: '2015-11-07T00:00:00Z' end-period: '2015-11-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3373738041 dns-udp-queries-received-ipv6: 465038714 dns-tcp-queries-received-ipv4: 16129655 dns-tcp-queries-received-ipv6: 478780 dns-udp-responses-sent-ipv4: 3363035458 dns-udp-responses-sent-ipv6: 464708237 dns-tcp-responses-sent-ipv4: 16056590 dns-tcp-responses-sent-ipv6: 478497