--- service: j.root-servers.net start-period: '2016-04-22T00:00:00Z' end-period: '2016-04-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5981283953 dns-udp-queries-received-ipv6: 683540766 dns-tcp-queries-received-ipv4: 193718737 dns-tcp-queries-received-ipv6: 2982366 dns-udp-responses-sent-ipv4: 5668457840 dns-udp-responses-sent-ipv6: 682973372 dns-tcp-responses-sent-ipv4: 168309965 dns-tcp-responses-sent-ipv6: 506338