--- service: j.root-servers.net start-period: '2017-02-22T00:00:00Z' end-period: '2017-02-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6886278047 dns-udp-queries-received-ipv6: 644889319 dns-tcp-queries-received-ipv4: 191900061 dns-tcp-queries-received-ipv6: 12764342 dns-udp-responses-sent-ipv4: 6763235293 dns-udp-responses-sent-ipv6: 648077770 dns-tcp-responses-sent-ipv4: 166980217 dns-tcp-responses-sent-ipv6: 12929197