--- service: j.root-servers.net start-period: '2015-11-20T00:00:00Z' end-period: '2015-11-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4183520332 dns-udp-queries-received-ipv6: 532806676 dns-tcp-queries-received-ipv4: 67415004 dns-tcp-queries-received-ipv6: 2001861 dns-udp-responses-sent-ipv4: 3928177628 dns-udp-responses-sent-ipv6: 535381182 dns-tcp-responses-sent-ipv4: 65381401 dns-tcp-responses-sent-ipv6: 306059