--- service: a.root-servers.net start-period: '2016-11-12T00:00:00Z' end-period: '2016-11-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4128269501 dns-udp-queries-received-ipv6: 397932623 dns-tcp-queries-received-ipv4: 168541377 dns-tcp-queries-received-ipv6: 8210923 dns-udp-responses-sent-ipv4: 4119203828 dns-udp-responses-sent-ipv6: 397677700 dns-tcp-responses-sent-ipv4: 169302241 dns-tcp-responses-sent-ipv6: 8226434