--- service: j.root-servers.net start-period: '2013-10-23T00:00:00Z' end-period: '2013-10-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2334025019 dns-udp-queries-received-ipv6: 144324942 dns-tcp-queries-received-ipv4: 23234065 dns-tcp-queries-received-ipv6: 3668825 dns-udp-responses-sent-ipv4: 2326065305 dns-udp-responses-sent-ipv6: 144278563 dns-tcp-responses-sent-ipv4: 19966142 dns-tcp-responses-sent-ipv6: 211922