--- service: d.root-servers.net start-period: '2015-11-13T00:00:00Z' end-period: '2015-11-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3730380541 dns-udp-queries-received-ipv6: 463667921 dns-tcp-queries-received-ipv4: 18815646 dns-tcp-queries-received-ipv6: 478860 dns-udp-responses-sent-ipv4: 3717791683 dns-udp-responses-sent-ipv6: 463373659 dns-tcp-responses-sent-ipv4: 18739350 dns-tcp-responses-sent-ipv6: 478249