--- service: j.root-servers.net start-period: '2017-02-15T00:00:00Z' end-period: '2017-02-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6600135507 dns-udp-queries-received-ipv6: 658920113 dns-tcp-queries-received-ipv4: 195668804 dns-tcp-queries-received-ipv6: 12838971 dns-udp-responses-sent-ipv4: 6473777416 dns-udp-responses-sent-ipv6: 662122996 dns-tcp-responses-sent-ipv4: 168778623 dns-tcp-responses-sent-ipv6: 13009804