--- service: a.root-servers.net start-period: '2014-07-24T00:00:00Z' end-period: '2014-07-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1986810316 dns-udp-queries-received-ipv6: 125104265 dns-tcp-queries-received-ipv4: 15897173 dns-tcp-queries-received-ipv6: 1221075 dns-udp-responses-sent-ipv4: 1905237991 dns-udp-responses-sent-ipv6: 125104774 dns-tcp-responses-sent-ipv4: 16150622 dns-tcp-responses-sent-ipv6: 430426