--- service: d.root-servers.net start-period: '2015-11-24T00:00:00Z' end-period: '2015-11-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3853331322 dns-udp-queries-received-ipv6: 430435962 dns-tcp-queries-received-ipv4: 18104197 dns-tcp-queries-received-ipv6: 451300 dns-udp-responses-sent-ipv4: 3833444871 dns-udp-responses-sent-ipv6: 430143597 dns-tcp-responses-sent-ipv4: 18036087 dns-tcp-responses-sent-ipv6: 451190