--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6971451789 dns-udp-queries-received-ipv6: 796783525 dns-tcp-queries-received-ipv4: 79260439 dns-tcp-queries-received-ipv6: 8557982 dns-udp-responses-sent-ipv4: 6962255742 dns-udp-responses-sent-ipv6: 797661296 dns-tcp-responses-sent-ipv4: 81123930 dns-tcp-responses-sent-ipv6: 8613518