--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5622410093 dns-udp-queries-received-ipv6: 678438827 dns-tcp-queries-received-ipv4: 123425260 dns-tcp-queries-received-ipv6: 14331960 dns-udp-responses-sent-ipv4: 5677250335 dns-udp-responses-sent-ipv6: 672803229 dns-tcp-responses-sent-ipv4: 121487306 dns-tcp-responses-sent-ipv6: 14245407