--- service: a.root-servers.net start-period: '2016-08-29T00:00:00Z' end-period: '2016-08-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3698038017 dns-udp-queries-received-ipv6: 462279757 dns-tcp-queries-received-ipv4: 60387398 dns-tcp-queries-received-ipv6: 6936647 dns-udp-responses-sent-ipv4: 3691743274 dns-udp-responses-sent-ipv6: 462208668 dns-tcp-responses-sent-ipv4: 57275350 dns-tcp-responses-sent-ipv6: 5274862