--- service: j.root-servers.net start-period: '2015-08-12T00:00:00Z' end-period: '2015-08-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5226484350 dns-udp-queries-received-ipv6: 305720967 dns-tcp-queries-received-ipv4: 72307153 dns-tcp-queries-received-ipv6: 21248429 dns-udp-responses-sent-ipv4: 4129431113 dns-udp-responses-sent-ipv6: 306952886 dns-tcp-responses-sent-ipv4: 71843989 dns-tcp-responses-sent-ipv6: 19527808