--- service: a.root-servers.net start-period: '2016-10-13T00:00:00Z' end-period: '2016-10-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4132587636 dns-udp-queries-received-ipv6: 385545229 dns-tcp-queries-received-ipv4: 135174175 dns-tcp-queries-received-ipv6: 7256587 dns-udp-responses-sent-ipv4: 4113296336 dns-udp-responses-sent-ipv6: 382348336 dns-tcp-responses-sent-ipv4: 135191701 dns-tcp-responses-sent-ipv6: 6913183