--- service: a.root-servers.net start-period: '2016-10-27T00:00:00Z' end-period: '2016-10-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5277943199 dns-udp-queries-received-ipv6: 453723492 dns-tcp-queries-received-ipv4: 169084632 dns-tcp-queries-received-ipv6: 16294875 dns-udp-responses-sent-ipv4: 5265641433 dns-udp-responses-sent-ipv6: 445828016 dns-tcp-responses-sent-ipv4: 169763939 dns-tcp-responses-sent-ipv6: 12618955