--- service: a.root-servers.net start-period: '2016-10-01T00:00:00Z' end-period: '2016-10-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5208817392 dns-udp-queries-received-ipv6: 428349646 dns-tcp-queries-received-ipv4: 159550812 dns-tcp-queries-received-ipv6: 5904366 dns-udp-responses-sent-ipv4: 5162513377 dns-udp-responses-sent-ipv6: 428308700 dns-tcp-responses-sent-ipv4: 160255937 dns-tcp-responses-sent-ipv6: 5995157