--- service: d.root-servers.net start-period: '2015-11-01T00:00:00Z' end-period: '2015-11-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2790158082 dns-udp-queries-received-ipv6: 377298153 dns-tcp-queries-received-ipv4: 15312392 dns-tcp-queries-received-ipv6: 420051 dns-udp-responses-sent-ipv4: 2783113651 dns-udp-responses-sent-ipv6: 377078128 dns-tcp-responses-sent-ipv4: 15270235 dns-tcp-responses-sent-ipv6: 420024