--- service: a.root-servers.net start-period: '2016-10-28T00:00:00Z' end-period: '2016-10-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5152735294 dns-udp-queries-received-ipv6: 464389941 dns-tcp-queries-received-ipv4: 193429167 dns-tcp-queries-received-ipv6: 14443729 dns-udp-responses-sent-ipv4: 5139927809 dns-udp-responses-sent-ipv6: 457767954 dns-tcp-responses-sent-ipv4: 194060546 dns-tcp-responses-sent-ipv6: 11583934