--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5371951380 dns-udp-queries-received-ipv6: 806572957 dns-tcp-queries-received-ipv4: 138097176 dns-tcp-queries-received-ipv6: 17669575 dns-udp-responses-sent-ipv4: 5348256087 dns-udp-responses-sent-ipv6: 806419819 dns-tcp-responses-sent-ipv4: 135127331 dns-tcp-responses-sent-ipv6: 17337667