--- service: j.root-servers.net start-period: '2014-11-20T00:00:00Z' end-period: '2014-11-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3062120079 dns-udp-queries-received-ipv6: 174897445 dns-tcp-queries-received-ipv4: 29848926 dns-tcp-queries-received-ipv6: 5275427 dns-udp-responses-sent-ipv4: 3039404427 dns-udp-responses-sent-ipv6: 174710190 dns-tcp-responses-sent-ipv4: 29903854 dns-tcp-responses-sent-ipv6: 4702600