--- service: a.root-servers.net start-period: '2015-10-24T00:00:00Z' end-period: '2015-10-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2582822873 dns-udp-queries-received-ipv6: 267512885 dns-tcp-queries-received-ipv4: 18263478 dns-tcp-queries-received-ipv6: 4948889 dns-udp-responses-sent-ipv4: 2587479178 dns-udp-responses-sent-ipv6: 267175703 dns-tcp-responses-sent-ipv4: 15457347 dns-tcp-responses-sent-ipv6: 2493891