--- service: j.root-servers.net start-period: '2015-08-13T00:00:00Z' end-period: '2015-08-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4692979062 dns-udp-queries-received-ipv6: 286922462 dns-tcp-queries-received-ipv4: 62934979 dns-tcp-queries-received-ipv6: 22712827 dns-udp-responses-sent-ipv4: 3745028565 dns-udp-responses-sent-ipv6: 287951524 dns-tcp-responses-sent-ipv4: 62510512 dns-tcp-responses-sent-ipv6: 22086309