--- service: j.root-servers.net start-period: '2015-09-26T00:00:00Z' end-period: '2015-09-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3433262901 dns-udp-queries-received-ipv6: 520701756 dns-tcp-queries-received-ipv4: 61781072 dns-tcp-queries-received-ipv6: 24555992 dns-udp-responses-sent-ipv4: 3424150808 dns-udp-responses-sent-ipv6: 519475087 dns-tcp-responses-sent-ipv4: 60056620 dns-tcp-responses-sent-ipv6: 22994207