--- service: j.root-servers.net start-period: '2015-10-28T00:00:00Z' end-period: '2015-10-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4128802459 dns-udp-queries-received-ipv6: 1388772 dns-tcp-queries-received-ipv4: 72336973 dns-tcp-queries-received-ipv6: 61204 dns-udp-responses-sent-ipv4: 4086025314 dns-udp-responses-sent-ipv6: 1389762 dns-tcp-responses-sent-ipv4: 71042626 dns-tcp-responses-sent-ipv6: 59509