--- service: d.root-servers.net start-period: '2016-05-08T00:00:00Z' end-period: '2016-05-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3753893487 dns-udp-queries-received-ipv6: 608755187 dns-tcp-queries-received-ipv4: 35555211 dns-tcp-queries-received-ipv6: 571866 dns-udp-responses-sent-ipv4: 3738969453 dns-udp-responses-sent-ipv6: 608526218 dns-tcp-responses-sent-ipv4: 35465400 dns-tcp-responses-sent-ipv6: 571708