--- service: i.root-servers.net start-period: '2015-10-30T00:00:00Z' end-period: '2015-10-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4347914552 dns-udp-queries-received-ipv6: 324610402 dns-tcp-queries-received-ipv4: 20106671 dns-tcp-queries-received-ipv6: 601300 dns-udp-responses-sent-ipv4: 4296500365 dns-udp-responses-sent-ipv6: 330899064 dns-tcp-responses-sent-ipv4: 20143834 dns-tcp-responses-sent-ipv6: 605094