--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5628585406 dns-udp-queries-received-ipv6: 640987250 dns-tcp-queries-received-ipv4: 78017637 dns-tcp-queries-received-ipv6: 9193594 dns-udp-responses-sent-ipv4: 5659497064 dns-udp-responses-sent-ipv6: 640953370 dns-tcp-responses-sent-ipv4: 79181260 dns-tcp-responses-sent-ipv6: 9503224