--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5100298050 dns-udp-queries-received-ipv6: 604022580 dns-tcp-queries-received-ipv4: 94230172 dns-tcp-queries-received-ipv6: 13125801 dns-udp-responses-sent-ipv4: 5181785474 dns-udp-responses-sent-ipv6: 608830934 dns-tcp-responses-sent-ipv4: 95198122 dns-tcp-responses-sent-ipv6: 13153199