--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5452440266 dns-udp-queries-received-ipv6: 707569156 dns-tcp-queries-received-ipv4: 87476698 dns-tcp-queries-received-ipv6: 13802984 dns-udp-responses-sent-ipv4: 5553786311 dns-udp-responses-sent-ipv6: 702152888 dns-tcp-responses-sent-ipv4: 87808737 dns-tcp-responses-sent-ipv6: 13775313