--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5682572278 dns-udp-queries-received-ipv6: 674456746 dns-tcp-queries-received-ipv4: 105211321 dns-tcp-queries-received-ipv6: 13803015 dns-udp-responses-sent-ipv4: 5678835526 dns-udp-responses-sent-ipv6: 669148084 dns-tcp-responses-sent-ipv4: 106185370 dns-tcp-responses-sent-ipv6: 13820561