--- service: a.root-servers.net start-period: '2014-07-14T00:00:00Z' end-period: '2014-07-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1932976732 dns-udp-queries-received-ipv6: 119257271 dns-tcp-queries-received-ipv4: 14930979 dns-tcp-queries-received-ipv6: 1281983 dns-udp-responses-sent-ipv4: 1932764289 dns-udp-responses-sent-ipv6: 119245522 dns-tcp-responses-sent-ipv4: 15020709 dns-tcp-responses-sent-ipv6: 477657