--- service: d.root-servers.net start-period: '2016-02-05T00:00:00Z' end-period: '2016-02-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4783888924 dns-udp-queries-received-ipv6: 433148167 dns-tcp-queries-received-ipv4: 20736790 dns-tcp-queries-received-ipv6: 607177 dns-udp-responses-sent-ipv4: 4769699262 dns-udp-responses-sent-ipv6: 432985849 dns-tcp-responses-sent-ipv4: 20722549 dns-tcp-responses-sent-ipv6: 606765