--- service: a.root-servers.net start-period: '2014-08-02T00:00:00Z' end-period: '2014-08-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1552411579 dns-udp-queries-received-ipv6: 105933351 dns-tcp-queries-received-ipv4: 13577823 dns-tcp-queries-received-ipv6: 1095524 dns-udp-responses-sent-ipv4: 1552342392 dns-udp-responses-sent-ipv6: 105941087 dns-tcp-responses-sent-ipv4: 13663555 dns-tcp-responses-sent-ipv6: 462024