--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4804816596 dns-udp-queries-received-ipv6: 560290234 dns-tcp-queries-received-ipv4: 37915079 dns-tcp-queries-received-ipv6: 1109308 dns-udp-responses-sent-ipv4: 4786385566 dns-udp-responses-sent-ipv6: 561604378 dns-tcp-responses-sent-ipv4: 38081136 dns-tcp-responses-sent-ipv6: 1117161