--- version: rssac002v3 service: i.root-servers.net start-period: '2018-11-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5744258464 dns-udp-queries-received-ipv6: 1186468542 dns-tcp-queries-received-ipv4: 135261992 dns-tcp-queries-received-ipv6: 25838709 dns-udp-responses-sent-ipv4: 5669945246 dns-udp-responses-sent-ipv6: 1193267745 dns-tcp-responses-sent-ipv4: 132956743 dns-tcp-responses-sent-ipv6: 25312086