--- service: j.root-servers.net start-period: '2016-05-13T00:00:00Z' end-period: '2016-05-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6758780627 dns-udp-queries-received-ipv6: 739059439 dns-tcp-queries-received-ipv4: 232061243 dns-tcp-queries-received-ipv6: 4124133 dns-udp-responses-sent-ipv4: 6372772786 dns-udp-responses-sent-ipv6: 738235565 dns-tcp-responses-sent-ipv4: 173500284 dns-tcp-responses-sent-ipv6: 939222