--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5636392495 dns-udp-queries-received-ipv6: 504273634 dns-tcp-queries-received-ipv4: 22208853 dns-tcp-queries-received-ipv6: 976214 dns-udp-responses-sent-ipv4: 5633389987 dns-udp-responses-sent-ipv6: 503842772 dns-tcp-responses-sent-ipv4: 22428632 dns-tcp-responses-sent-ipv6: 982223