--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4962921866 dns-udp-queries-received-ipv6: 909942027 dns-tcp-queries-received-ipv4: 105970902 dns-tcp-queries-received-ipv6: 20122372 dns-udp-responses-sent-ipv4: 4929551495 dns-udp-responses-sent-ipv6: 907921701 dns-tcp-responses-sent-ipv4: 103381841 dns-tcp-responses-sent-ipv6: 19949436