--- service: j.root-servers.net start-period: '2014-04-23T00:00:00Z' end-period: '2014-04-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2677245307 dns-udp-queries-received-ipv6: 216388728 dns-tcp-queries-received-ipv4: 24299858 dns-tcp-queries-received-ipv6: 4639728 dns-udp-responses-sent-ipv4: 2657830920 dns-udp-responses-sent-ipv6: 216285484 dns-tcp-responses-sent-ipv4: 21974300 dns-tcp-responses-sent-ipv6: 192