--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5216496211 dns-udp-queries-received-ipv6: 998625507 dns-tcp-queries-received-ipv4: 109157447 dns-tcp-queries-received-ipv6: 18316804 dns-udp-responses-sent-ipv4: 5208341630 dns-udp-responses-sent-ipv6: 997517644 dns-tcp-responses-sent-ipv4: 105546210 dns-tcp-responses-sent-ipv6: 18170341