--- service: j.root-servers.net start-period: '2016-05-25T00:00:00Z' end-period: '2016-05-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6701745532 dns-udp-queries-received-ipv6: 753174165 dns-tcp-queries-received-ipv4: 199587444 dns-tcp-queries-received-ipv6: 3519366 dns-udp-responses-sent-ipv4: 6464954294 dns-udp-responses-sent-ipv6: 752872292 dns-tcp-responses-sent-ipv4: 156831588 dns-tcp-responses-sent-ipv6: 647588