--- service: a.root-servers.net start-period: '2016-06-05T00:00:00Z' end-period: '2016-06-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5244265575 dns-udp-queries-received-ipv6: 423253903 dns-tcp-queries-received-ipv4: 79555799 dns-tcp-queries-received-ipv6: 5123848 dns-udp-responses-sent-ipv4: 5243933983 dns-udp-responses-sent-ipv6: 423003746 dns-tcp-responses-sent-ipv4: 67530114 dns-tcp-responses-sent-ipv6: 314665