--- service: a.root-servers.net start-period: '2016-11-09T00:00:00Z' end-period: '2016-11-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4981280511 dns-udp-queries-received-ipv6: 445527960 dns-tcp-queries-received-ipv4: 208652697 dns-tcp-queries-received-ipv6: 8759345 dns-udp-responses-sent-ipv4: 4965670998 dns-udp-responses-sent-ipv6: 445161096 dns-tcp-responses-sent-ipv4: 209743338 dns-tcp-responses-sent-ipv6: 8766416